Question

2(-9x+21) - (14-10x)Use the Distributive Property towrite an equivalent expression.

Answer 1

Given:

The expression is 2(-9x+21) - (14-10x).

Explanation:

Simplify the expression by using distibutive property of multiplication.

$\begin{gathered} 2(-9x+21)-(14-10x)=2\cdot(-9x)+2\cdot21-1\cdot14-1\cdot(-10x) \\ =-18x+42-14+10x \\ =-8x+28 \end{gathered}$

So equivalnet expression is,

-8x + 28