Question
Simplify, giving Solution with positive index
$(- a^5) (a^2)$
$(- a^5) (a^2)$
✓
Answer
$(- a^5) (a^2)$
$= (-1 \times a)^5 \times a^2$
$= (-1)^5 \times a^{5+2}$
$= - 1 \times a^7 = - a^7$
$= (-1 \times a)^5 \times a^2$
$= (-1)^5 \times a^{5+2}$
$= - 1 \times a^7 = - a^7$
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