Trying to find the right answer to this..

(x + 7y) x (7x - y) = x(7x + y) + 7y(7x -y) = ( x X 7x) - ( x X y) + (7y x 7x) - (7y x y) = 7x 2 -xy + 49xy - 7y 2 = 7x 2 + 48xy - 7y2

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Algebraic Expressions and Identities

Short Answer Type

71.

Multiply the binomials

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