(x+12)(x-3)-x(x+5)=24

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Solution for (x+12)(x-3)-x(x+5)=24 equation:



(x+12)(x-3)-x(x+5)=24
We move all terms to the left:
(x+12)(x-3)-x(x+5)-(24)=0
We multiply parentheses
-x^2+(x+12)(x-3)-5x-24=0
We multiply parentheses ..
-x^2+(+x^2-3x+12x-36)-5x-24=0
We add all the numbers together, and all the variables
-1x^2+(+x^2-3x+12x-36)-5x-24=0
We get rid of parentheses
-1x^2+x^2-3x+12x-5x-36-24=0
We add all the numbers together, and all the variables
4x-60=0
We move all terms containing x to the left, all other terms to the right
4x=60
x=60/4
x=15

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