Factorize :
25x2 – 20xy + 4y2
Given 25x2 – 20xy + 4y2 = (5x)2 – 2× 5x ×2y x + (2y)2
Comparing with (a– b)2 = a2 + b2 – 2a×b
a = 5x and b = 2y
So, 25x2 – 20xy + 4y2 = (5x – 2y)(5x – 2y)
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Generated by AI. May contain inaccuracies — always verify with your textbook.
