Mathematics

Factorise:

x2 + 9x + 18

Factorisation

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Answer

Given,

⇒ x2 + 9x + 18

⇒ x2 + 6x + 3x + 18

⇒ x(x + 6) + 3(x + 6)

⇒ (x + 6)(x + 3).

Hence, x2 + 9x + 18 = (x + 6)(x + 3).

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