Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.7 - Equations - Concept and Vocabulary Check - Page 105: 29

Answer

Fill the blanks with $2x+1,\quad x^{2}-14x+49$

Work Step by Step

$(LHS)^{2}=(\sqrt{2x+1})^{2}=2x+1$ $(RHS)^{2}=(x-7)^{2}=x^{2}-2(x)(7)+7^{2}$ $=x^{2}-14x+49$ Fill the blanks with $2x+1,\quad x^{2}-14x+49$
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