Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.3 - Algebraic Expressions - 1.3 Exercises: 31

Answer

$25x^2+10x+1$

Work Step by Step

$Multiply$ $the$ $algebraic$ $expressions$ $using$ $a$ $Special$ $Product$ $Formula$ $and$ $simplify:$ $(5x+1)^2$ Use the Square of a Sum Product Formula: $(A+B)^2 = A^2+2AB+B^2$ $(5x+1)^2 = (5x)^2+(2\times5x\times1)+(1)^2$ $(5x\times5x) + 10x + 1$ $=25x^2+10x+1$
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