Q. 5 E5.0( 1 Vote )

# Factorize :x2 – 24x + 108

Given x2 – 24x + 108

Using (x + a)(x + b) = x2 + (a + b)x + ab … (I)

x2 – 24x + 108= x2 + ( – 18 – 6)x + ( – 18)×( – 6)

On comparing with (I),

a = – 18 and b = – 6

So, x2 – 24x + 108= (x – 18)(x – 6)

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