Simplify. (8 m^2+3 m-6 )-(9 m-7)+ (3 m^2-2 m+4 ) - Vidyadip

Question

Simplify.
$\left(8 m^2+3 m-6\right)-(9 m-7)+\left(3 m^2-2 m+4\right)$

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Answer

$\left(8 m^2+3 m-6\right)-(9 m-7)+\left(3 m^2-2 m+4\right)$
$=8 m^2+3 m-6-9 m+7+3 m^2-2 m+4$
$=8 m^2+3 m^2+3 m-9 m-2 m-6+7+4$
$=11 m^2-8 m+5$

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