Q. 5 B5.0( 1 Vote )

# Factorize :p2 – 6p + 8

Given p2 – 6p + 8

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

p2 – 6p + 8= p2 + ( – 4 – 2)p + ( – 4)×( – 2)

On comparing with (I),

a = – 4 and b = – 2

So, p2 – 6p + 8= (p – 4)(p – 2)

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