Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - p.4 - Factoring Polynomials - Exercises - Page 39: 3


Perfect Square Trinomial

Work Step by Step

By squaring the binomial $u+v$: $(u+v)^2=(u+v)(u+v)=uu+uv+vu+vv=u^2+2uv+v^2$ By squaring the binomial $u-v$: $(u-v)^2=(u-v)(u-v)=uu-uv-vu+(-v)(-v)=u^2-2uv+v^2$
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