Answer
$(x+3)(x-1)$
Work Step by Step
Expression : $(x+3)^{2} -4(x+3)$
Common factor : (x+3)
Hence simplifying it gives :
$(x+3)^{2} -4(x+3) = (x+3)(x+3 - 4)=(x+3)(x-1) = x^{2}+2x-3$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - p.4 - Factoring Polynomials - Exercises - Page 39: 8
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