Question
Subtract:
$2 a^2$ from $-7 a^2$
$2 a^2$ from $-7 a^2$
✓
Answer
$-7 a^2-\left(2 a^2\right)$
$=-7 a^2-2 a^2$
$=-9 a^2$
$=-7 a^2-2 a^2$
$=-9 a^2$
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