College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.4: 76

Answer

$x^4y^4-10x^2y^2+25$

Work Step by Step

$$(x^2y^2-5)^2$$ The square of a binomial can be solved using this formula: $(a-b)^2=a^2-2ab+b^2$ $$=(x^2y^2)^2-2(x^2y^2)(5)+5^2$$ $$=x^4y^4-10x^2y^2+25$$
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