Answer
(x-3)(x+4)
Work Step by Step
We are going to end up with a factorization in the form (x+a)(x+b), where a and b are constants. We have to pick two values that have a product of -12 and a sum of 1:
-3$\times$4=-12
-3+4=1
(x-3)(x+4)
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 10 - Radical Expressions and Equations - 10-6 Trigonometric Ratios - Mixed Review - Page 639: 58
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