Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Mixed Review: 52

Answer

$7x^4+2x^3+4$

Work Step by Step

$(7x^4+3x^3-5x+1)-(x^3+8x^2-5x-3)\longrightarrow$ use the distributive property to multiply by -1 =$(7x^4+3x^3-5x+1)+(-x^3-8x^2+5x+3)\longrightarrow$ use the associative property to reorder =$7x^4+(3x^3-x^3)+(-5x+5x)+(1+3)\longrightarrow$ combine like terms =$7x^4+2x^3+4$
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