Answer
$g(x)=-2x^2+8x+42$
Work Step by Step
We use the FOIL method. Then we simplify until the equation is in the form $y=ax ^2+bx+c$.
Hence: $g(x)=-2(x+3)(x-7)=-2(x^2-7x+3x-21)=-2(x^2-4x-21)=-2x^2+8x+42$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 4 Quadratic Functions and Factoring - 4.4 Solve ax(squared) + bx + c = 0 by Factoring - 4.4 Exercises - Quiz for Lessons 4-1-4.4 - Page 265: 5
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