Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Appendix A - A.2 - Formulas and Equations - Exercises - Page 546: 8

Answer

$x^2 - 12x + 35$

Work Step by Step

By using the FOIL method, we multiply the first, outside, inside, and the last element of each bracket and we add them. $(x-5)(x-7) = x\times x + x\times (-7) + (-5)\times x + (-5)\times (-7) = x^2 - 12x + 35$
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