Answer
$10^{2}$ + 15x
Work Step by Step
distribute parentheses using a(b+c)=ab+ac
= -5x $\times$ 2x-5x(-3)
apply minus - plus rules
= -5x $\times$ 2x + 5x $\times$ 3
SImplify
-10$x^{2}$+15x
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 5 - Test - Page 232: 2
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