Answer
3(r+2)(3r-5)
Work Step by Step
You are given $9r^{2}$+3r-30.Factor it out:
3($3r^{2}$+r-10) -factor out 4 from the expression-
3($3r^{2}$+r-10) -break out the middle term-
Factor the expression using the x method
=3(r+2)(3r+5)
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 8 - Polynomials and Factoring - 8-6 Factoring ax2+bx+c - Practice and Problem-Solving Exercises - Page 521: 27
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