Factorised form of

Question:

Factorised form of p2 – 17p – 38 is

(a) (p – 19) (p + 2)

(b) (p – 19) (p – 2)

(c) (p + 19) (p + 2)

(d) (p + 19) (p – 2)

Solution:

(a) (p – 19) (p + 2)

Factorised form of p2 – 17p – 38 is = p2 – 19p + 2p – 38

Take out the common factors,

= p (p – 19) + 2 (p – 19)

Again take out the common factor,

= (p – 19) (p + 2)

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