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Formula
Expand the expression
Answer
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$\left( d ^{ 2 } +6d+9 \right) + \left( d ^{ 3 } +6d+9 \right)$
$d ^ { 3 } + d ^ { 2 } + 12 d + 18$
Organize polynomials
$\left ( \color{#FF6800}{ d } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \color{#FF6800}{ d } \color{#FF6800}{ + } \color{#FF6800}{ 9 } \right ) \color{#FF6800}{ + } \left ( \color{#FF6800}{ d } ^ { \color{#FF6800}{ 3 } } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \color{#FF6800}{ d } \color{#FF6800}{ + } \color{#FF6800}{ 9 } \right )$
$ $ Get rid of unnecessary parentheses $ $
$\color{#FF6800}{ d } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \color{#FF6800}{ d } \color{#FF6800}{ + } \color{#FF6800}{ 9 } \color{#FF6800}{ + } \color{#FF6800}{ d } ^ { \color{#FF6800}{ 3 } } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \color{#FF6800}{ d } \color{#FF6800}{ + } \color{#FF6800}{ 9 }$
$\color{#FF6800}{ d } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \color{#FF6800}{ d } \color{#FF6800}{ + } \color{#FF6800}{ 9 } \color{#FF6800}{ + } \color{#FF6800}{ d } ^ { \color{#FF6800}{ 3 } } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \color{#FF6800}{ d } \color{#FF6800}{ + } \color{#FF6800}{ 9 }$
$ $ Organize the similar terms $ $
$\color{#FF6800}{ d } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ + } \left ( \color{#FF6800}{ 6 } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \right ) \color{#FF6800}{ d } \color{#FF6800}{ + } \left ( \color{#FF6800}{ 9 } \color{#FF6800}{ + } \color{#FF6800}{ 9 } \right ) \color{#FF6800}{ + } \color{#FF6800}{ d } ^ { \color{#FF6800}{ 3 } }$
$d ^ { 2 } + \left ( \color{#FF6800}{ 6 } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \right ) \color{#FF6800}{ d } + \left ( 9 + 9 \right ) + d ^ { 3 }$
$ $ Arrange the constant term $ $
$d ^ { 2 } + \color{#FF6800}{ 12 } \color{#FF6800}{ d } + \left ( 9 + 9 \right ) + d ^ { 3 }$
$d ^ { 2 } + 12 d + \left ( \color{#FF6800}{ 9 } \color{#FF6800}{ + } \color{#FF6800}{ 9 } \right ) + d ^ { 3 }$
$ $ Arrange the constant term $ $
$d ^ { 2 } + 12 d + \color{#FF6800}{ 18 } + d ^ { 3 }$
$\color{#FF6800}{ d } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ + } \color{#FF6800}{ 12 } \color{#FF6800}{ d } \color{#FF6800}{ + } \color{#FF6800}{ 18 } \color{#FF6800}{ + } \color{#FF6800}{ d } ^ { \color{#FF6800}{ 3 } }$
$ $ Sort the polynomial expressions in descending order $ $
$\color{#FF6800}{ d } ^ { \color{#FF6800}{ 3 } } \color{#FF6800}{ + } \color{#FF6800}{ d } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ + } \color{#FF6800}{ 12 } \color{#FF6800}{ d } \color{#FF6800}{ + } \color{#FF6800}{ 18 }$
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
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