#### Answer

A$^2$-B$^2$
25-x$^2$

#### Work Step by Step

The formula for the product of the sum and difference of terms is:
(A+B)(A-B)=A$^2$-B$^2$
(5+x)(5-x)
(5)$^2$-(x)$^2$
25-x$^2$

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

A$^2$-B$^2$
25-x$^2$

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