Answer
$11x^2-x+2$
Work Step by Step
Distribute $3x$: to obtain:
$(x^2-3x+2)-(x-4x^2)+3x(2x+1)$
$=x^2-3x+2-x+4x^2+3x\cdot2x+3x\cdot1$
$=x^2-3x+2-x+4x^2+6x^2+3x$
Combine like terms to otbain:
$=x^2+4x^2+6x^2-3x-x+3x+2$
$=11x^2-x+2$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Test - Page 77: 9
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