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Formula
Expand the expression
Answer
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$2mn-5mn+8mn-10mn+6mn-3mn+mn$
$- m n$
Organize polynomials
$\color{#FF6800}{ 2 } \color{#FF6800}{ m } \color{#FF6800}{ n } \color{#FF6800}{ - } \color{#FF6800}{ 5 } \color{#FF6800}{ m } \color{#FF6800}{ n } \color{#FF6800}{ + } \color{#FF6800}{ 8 } \color{#FF6800}{ m } \color{#FF6800}{ n } \color{#FF6800}{ - } \color{#FF6800}{ 10 } \color{#FF6800}{ m } \color{#FF6800}{ n } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \color{#FF6800}{ m } \color{#FF6800}{ n } \color{#FF6800}{ - } \color{#FF6800}{ 3 } \color{#FF6800}{ m } \color{#FF6800}{ n } \color{#FF6800}{ + } \color{#FF6800}{ m } \color{#FF6800}{ n }$
$ $ Organize the similar terms $ $
$\left ( \color{#FF6800}{ 2 } \color{#FF6800}{ - } \color{#FF6800}{ 5 } \color{#FF6800}{ + } \color{#FF6800}{ 8 } \color{#FF6800}{ - } \color{#FF6800}{ 10 } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \color{#FF6800}{ - } \color{#FF6800}{ 3 } \color{#FF6800}{ + } \color{#FF6800}{ 1 } \right ) \color{#FF6800}{ m } \color{#FF6800}{ n }$
$\left ( \color{#FF6800}{ 2 } \color{#FF6800}{ - } \color{#FF6800}{ 5 } \color{#FF6800}{ + } \color{#FF6800}{ 8 } \color{#FF6800}{ - } \color{#FF6800}{ 10 } \color{#FF6800}{ + } \color{#FF6800}{ 6 } \color{#FF6800}{ - } \color{#FF6800}{ 3 } \color{#FF6800}{ + } \color{#FF6800}{ 1 } \right ) \color{#FF6800}{ m } \color{#FF6800}{ n }$
$ $ Organize the mononomial expression $ $
$\color{#FF6800}{ - } \color{#FF6800}{ m } \color{#FF6800}{ n }$
Solution search results
search-thumbnail-$3$ Add: $\left(-7mn$ $n+8mn^{2}-8m^{2}n^{2}\right)+\left(10m^{2}n+2m^{2}n^{2}-3mn\right)$ 
a. $2m^{2}n^{2}$ c. $-6m^{2}n^{2+10m^{2}n+8mn^{2}}-10m$ 10mn 
b. $-6m^{2}n^{2+18m^{2}}n-10mn$ d. $-6m^{2}n^{2+10m^{2}n+8mn^{2}}-$ $-4m$ 4mn
7th-9th grade
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