Question

(x+6) (x+7) find the product using suitable identity

Answer 1

Answer:

x²+13x+42

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Answer 2

(x+a)(x+b)=x^2+(a+b)x+ab

So, (x+6)(x+7)=x^2+(6+7)x+(6*7)

=x^2+13x+42

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