Answer
$3(x-5)^2$
Work Step by Step
$3x^2-30x+75=3(x^2-10x+25)=3(x^2-5x-5x+25)=3(x(x-5)-5(x-5))=3(x-5)(x-5)=3(x-5)^2$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 2 - Section 2.2 - Graphs of Equations in Two Variables; Intercepts; Symmetry - 2.2 Assess Your Understanding - Page 167: 93
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