perform the indicates operation: (7x+4y)(7x-4y)=

Perform the indicated expression for x and y
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2 Answers

(a+b)(a-b)=a^2-b^2

(7x+4y)(7x-4y)

=(7x)^2-(4y)^2

=49x^2-16y^2

by Level 8 User (32.3k points)
5+9+7-9
by

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