Answer
$(x-3)(x+4)$
Work Step by Step
We are given:
$x^2+x-12$
$x^2-3x+4x-12$
$x(x-3)+4(x-3)$
$(x-3)(x+4)$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - 10-6 Trigonometric Ratios - Practice and Problem-Solving Exercises - Page 651: 58
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