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Formula
Expand the expression
Answer
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$-x- [ y- \{ 2x-5y- \left( x+2y \right) \} ]$
$- 8 y$
Organize polynomials
$- x - \left ( y - \left ( 2 x - 5 y \color{#FF6800}{ - } \left ( \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 2 } \color{#FF6800}{ y } \right ) \right ) \right )$
$ $ Change the symbol of each term in parentheses when there is a (-) symbol in front of parentheses $ $
$- x - \left ( y - \left ( 2 x - 5 y \color{#FF6800}{ - } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ y } \right ) \right )$
$- x - \left ( y - \left ( \color{#FF6800}{ 2 } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 5 } \color{#FF6800}{ y } \color{#FF6800}{ - } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ y } \right ) \right )$
$ $ Organize the similar terms $ $
$- x - \left ( y - \left ( \left ( \color{#FF6800}{ 2 } \color{#FF6800}{ - } \color{#FF6800}{ 1 } \right ) \color{#FF6800}{ x } \color{#FF6800}{ + } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 5 } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \right ) \color{#FF6800}{ y } \right ) \right )$
$- x - \left ( y - \left ( \left ( \color{#FF6800}{ 2 } \color{#FF6800}{ - } \color{#FF6800}{ 1 } \right ) \color{#FF6800}{ x } + \left ( - 5 - 2 \right ) y \right ) \right )$
$ $ Organize the mononomial expression $ $
$- x - \left ( y - \left ( \color{#FF6800}{ x } + \left ( - 5 - 2 \right ) y \right ) \right )$
$- x - \left ( y - \left ( x + \left ( \color{#FF6800}{ - } \color{#FF6800}{ 5 } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \right ) \color{#FF6800}{ y } \right ) \right )$
$ $ Arrange the constant term $ $
$- x - \left ( y - \left ( x \color{#FF6800}{ - } \color{#FF6800}{ 7 } \color{#FF6800}{ y } \right ) \right )$
$- x - \left ( y \color{#FF6800}{ - } \left ( \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 7 } \color{#FF6800}{ y } \right ) \right )$
$ $ Change the symbol of each term in parentheses when there is a (-) symbol in front of parentheses $ $
$- x - \left ( y \color{#FF6800}{ - } \color{#FF6800}{ x } + \color{#FF6800}{ 7 } \color{#FF6800}{ y } \right )$
$- x - \left ( \color{#FF6800}{ y } \color{#FF6800}{ - } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 7 } \color{#FF6800}{ y } \right )$
$ $ Organize the similar terms $ $
$- x - \left ( \left ( \color{#FF6800}{ 1 } \color{#FF6800}{ + } \color{#FF6800}{ 7 } \right ) \color{#FF6800}{ y } \color{#FF6800}{ - } \color{#FF6800}{ x } \right )$
$- x - \left ( \left ( \color{#FF6800}{ 1 } \color{#FF6800}{ + } \color{#FF6800}{ 7 } \right ) \color{#FF6800}{ y } - x \right )$
$ $ Arrange the constant term $ $
$- x - \left ( \color{#FF6800}{ 8 } \color{#FF6800}{ y } - x \right )$
$- x - \left ( \color{#FF6800}{ 8 } \color{#FF6800}{ y } \color{#FF6800}{ - } \color{#FF6800}{ x } \right )$
$ $ Sort the polynomial expressions in descending order $ $
$- x - \left ( \color{#FF6800}{ - } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 8 } \color{#FF6800}{ y } \right )$
$- x \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 8 } \color{#FF6800}{ y } \right )$
$ $ Change the symbol of each term in parentheses when there is a (-) symbol in front of parentheses $ $
$- x + \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 8 } \color{#FF6800}{ y }$
$\color{#FF6800}{ - } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 8 } \color{#FF6800}{ y }$
$ $ Organize the similar terms $ $
$\left ( \color{#FF6800}{ - } \color{#FF6800}{ 1 } \color{#FF6800}{ + } \color{#FF6800}{ 1 } \right ) \color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 8 } \color{#FF6800}{ y }$
$\left ( \color{#FF6800}{ - } \color{#FF6800}{ 1 } \color{#FF6800}{ + } \color{#FF6800}{ 1 } \right ) \color{#FF6800}{ x } - 8 y$
$ $ Organize the mononomial expression $ $
$\color{#FF6800}{ 0 } - 8 y$
$\color{#FF6800}{ 0 } - 8 y$
$ $ 0 does not change when you add or subtract $ $
$- 8 y$
Solution search results
search-thumbnail-If the sum of two consecutive 
numbers is $45$ and one number is $X$ 
.This statement in the form of 
equation $1s:$ 
$\left(1$ Point) $\right)$ 
$○5x+1$ $1eft\left(x+1$ $r1gnt\right)=45s$ 
$○sx+1ef\left(x+2$ $r1gnt\right)=145s$ 
$sx+1x=45s$
7th-9th grade
Algebra
search-thumbnail-$s|ef\left(-1n$ $\left($ }\right)^{50}\ $\right)$ \ | | is\ equal\ to\ $S$ 
$s1S$ 
$S-1S$ 
$s2S$ 
$s50s$
7th-9th grade
Other
search-thumbnail-Given the set of ordered pairs $\left(\left(-7.0\right),\left(-6,5\right),\left(-5,-3\right),\left(-1,2\right)$ $\left(1,6\right),\left(2,-2\right)$ $\left(5,3\right)\left(7,-8\right)\right)$ 
Find f(7)fAleft(7\right) 
O a 
O b -8 
6. 
$5$
7th-9th grade
Algebra
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