(8+15) square formula is (a+b) square : a square + b square + 2 ab
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Answer:Common factor of x2y and – xy2 is xy. ... (2x)2 – 2 × 2x × 5 + (5)2. = (2x – 5)2. (Since a2 – 2ab + b2 = (a – b)2 ) ... Factorising 15 (y + 3) (y2 – 16),.
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