Question

factorise x2+13x+42.

Answer 1

Answer:

Step-by-step explanation:

$x^2 +13x+42\\\\x^2 +7x+6x+42\\\\x(x+7)+6(x+7)=0\\\\(x+6)(x+7)$

Answer 2

Step-by-step explanation:

(x+6) (x+7) is the right answer.

Hope it helps you.

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