Question

the product of X + 7 and x-4 is?..

Answer 1

this is your answer.......

Answer 2

(x+7)(x-4)

We know that

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

= x^2 +(7-4)x +(7)(-4)

= x^2 +3x - 28

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