1/2(2x+4)(x+2)=81

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Solution for 1/2(2x+4)(x+2)=81 equation: 



1/2(2x+4)(x+2)=81

We move all terms to the left:

1/2(2x+4)(x+2)-(81)=0



Domain of the equation: 2(2x+4)(x+2)!=0

x∈R



We multiply parentheses ..

1/2(+2x^2+4x+4x+8)-81=0

We multiply all the terms by the denominator


-81*2(+2x^2+4x+4x+8)+1=0

Wy multiply elements

-162x(++1=0

We use the square of the difference formula

-162x(+1=0

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