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Formula
Expand the expression
Answer
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$x-2+2x+3$
$3 x + 1$
Organize polynomials
$\color{#FF6800}{ x } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ + } \color{#FF6800}{ 2 } \color{#FF6800}{ x } \color{#FF6800}{ + } \color{#FF6800}{ 3 }$
$ $ Organize the similar terms $ $
$\left ( \color{#FF6800}{ 1 } \color{#FF6800}{ + } \color{#FF6800}{ 2 } \right ) \color{#FF6800}{ x } \color{#FF6800}{ + } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ + } \color{#FF6800}{ 3 } \right )$
$\left ( \color{#FF6800}{ 1 } \color{#FF6800}{ + } \color{#FF6800}{ 2 } \right ) \color{#FF6800}{ x } + \left ( - 2 + 3 \right )$
$ $ Arrange the constant term $ $
$\color{#FF6800}{ 3 } \color{#FF6800}{ x } + \left ( - 2 + 3 \right )$
$3 x + \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \color{#FF6800}{ + } \color{#FF6800}{ 3 } \right )$
$ $ Arrange the constant term $ $
$3 x + \color{#FF6800}{ 1 }$
Solution search results
search-thumbnail-IV. Describe and correct the error in using synthetic division to divide $x^{3}+2x^{2}+7byx+3$ 
$\times $ X $-3$ $1$ $2$ $0$ $7$ 
$\dfrac {-33-9} {-13-2}$ 
$1$ 
$\dfrac {x^{3}+2x^{2}+7} {x+3}=.x^{3}-x^{2}+3x-2$
7th-9th grade
Algebra
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