Question

(x+3) (x+7)=81+x(x+4)Solve for x {and at last answer must come x=10}

Answer 1

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Answer 2

Answer:

x =10

Step-by-step explanation:

(x+3) (x+7)=81+x(x+4)

x(x+7)+3(x+7)=81+x^2+4x

x^2+7x+3x+21=81+x^2+4x

x^2-x^2+10x-4x=81-21

6x=60

x=60/6

x=10