Question

Simplify - distribute, then combine like terms: 7(-7x – 3) +7

Answer 1

Using distributive property:

$\begin{gathered} 7(-7x-3)=7(-7x)+(7)(-3)=-49x-21 \\ \text{Therefore:} \\ 7(-7x-3)+7=-49x-21+7 \\ \text{add like terms:} \\ -49x+(-21+7) \\ -49x-14 \end{gathered}$