Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.8 - Exponents and Order of Operations - Exercise Set: 87

Answer

-2x$^2$-9

Work Step by Step

Use the distributive property to get rid of the parentheses and bracket and combine like terms. 2(3x$^2$-5)-[4(2x$^2$-1)+3] 2(3x$^2$-5)-[8x$^2$-4+3] 2(3x$^2$)+2(-5)-[8x$^2$-4+3] 2(3x$^2$)+2(-5)-[8x$^2$-1] 2(3x$^2$)+2(-5)-8x$^2$+1 6x$^2$+(-10)-8x$^2$+1 6x$^2$-8x$^2$+(-10)+1 -2x$^2$-9
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