Question

15+x) (15−x) = __ ₋ x²

Answer 1

(15+x) (15−x) = __ ₋ x²

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

Hence (15+x) (15−x) = __ ₋ x² = 225 - x^2

Hence the ____  is 225

Hope it helps u frnd :)

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