Q. 4 B4.0( 3 Votes )

# Factorize :x2 – 12x + 36

Given x2 – 12x + 36= x2 – 2× 6× x + (6)2

Comparing with (a– b)2 = a2 + b2 – 2a×b

a = x and b = 6

So, x2 – 12x + 36= (x – 6)(x – 6)

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