(x+2)(x+9)=x^2+11x+18

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Solution for (x+2)(x+9)=x^2+11x+18 equation: 



(x+2)(x+9)=x^2+11x+18

We move all terms to the left:

(x+2)(x+9)-(x^2+11x+18)=0

We get rid of parentheses

-x^2+(x+2)(x+9)-11x-18=0

We multiply parentheses ..

-x^2+(+x^2+9x+2x+18)-11x-18=0

We add all the numbers together, and all the variables

-1x^2+(+x^2+9x+2x+18)-11x-18=0

We get rid of parentheses

-1x^2+x^2+9x+2x-11x+18-18=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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