Answer
$2y^2-6y-1$
Work Step by Step
Substracting $y^2+2$ from $3y^2-6y+1$ we have:
$(3y^2-6y+1)-(y^2+2)=(3y^2-6y+1)+[-(y^2+2)]$
$(3y^2-6y+1)+(-y^2-2)=3y^2-6y+1-y^2-2$
$2y^2-6y-1$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.6 - Integrated Review - Exponents and Operations on Polynomials - Page 391: 23
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