Question

(7p-5q)( 7p+5q) solve using identity​

Answer 1

Answer:

(7p) ²-(5q) ²

49p²-25q²

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Answer 2

Answer:

(7p - 5q) (7p + 5q)

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

(7p)^2- (5q)^2

49p^2 - 25q^2

therefore, answer is = 49p^2 - 25q^2