(x+)(x-)=x2+x-72

Solution for (x+)(x-)=x2+x-72 equation:

(x+)(x-)=x2+x-72

We move all terms to the left:

(x+)(x-)-(x2+x-72)=0

We add all the numbers together, and all the variables

-(+x^2+x-72)+(+x)(+x)=0

We get rid of parentheses

-x^2-x+(+x)(+x)+72=0

We multiply parentheses ..

-x^2+(+x^2)-x+72=0

We add all the numbers together, and all the variables

-1x^2+(+x^2)-1x+72=0

We get rid of parentheses

-1x^2+x^2-1x+72=0

We add all the numbers together, and all the variables

-1x+72=0

We move all terms containing x to the left, all other terms to the right

-x=-72

x=-72/-1

x=+72