Q. 3 A5.0( 4 Votes )

# Foctorise the following:

x^{2} + 7x + 12

Answer :

⇒ x^{2} + 7x + 12

⇒ x^{2} + 4x + 3x + 12

⇒ x(x + 4) + 3(x + 4)

⇒ (x + 4)(x + 3)

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