Question

simple (x+5)(x+7) by using (x+a) (x+b) identity.​

Answer 1

identity : (x+a)(x+b)

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

Answer :

=(x+5)(x+7)

=x^2 + (5+7)x + (5*7)

=x^2 + 12x + 35

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Answer 2

Answer:

Here's your answer buddy...