(-9)(-9)=

Simple and best practice solution for (-9)(-9)= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (-9)(-9)= equation:


(-9)(-9)=0

We simplify the equation to the form, which is simple to understand 
(-9)*(-9)=0

Reorder the terms in parentheses
multiplication of parentheses
(+81)=0



Remove unnecessary parentheses
+81=0

We move all terms containing  to the left and all other terms to the right. 
0=0-81

We simplify left and right side of the equation. 
0=-81

0=-81

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

See similar equations:

| j^2+47j=0 | | 14/y+10/y=3 | | t^2+16t= | | 2x+3(4x)=42 | | 8z-12+5z+10=180 | | 6=100 | | 5r+2s-2(7r-5s)= | | -3+(x+2)(x+1)=-1+x(x+3) | | 8z-12=2(5z+10) | | 18c-3c= | | 5z+10=2(8z-12) | | 3x+18+24y= | | 2(2+4+x)=24-22 | | 11x/x-2+88/x^2-4-11x/x | | q^2+37q=0 | | 144v^2+169= | | 2z^2+13z+11=0 | | (3x+3)(x)=592 | | q^2-4q-12=0 | | 4X/50=(4X/29)-8000 | | q^2-4q-12= | | x^2+x-0.2=0 | | p^2-10p-11=0 | | (2x+1)(-3x+5)=0 | | 30x^3y-55x^2y^2-50xy^3= | | p^2-36p=0 | | 5x/4-2/3=6 | | t^2+2t-35= | | -250.00=-70.00-2.25x | | (x+14)+(4x-19)+90=180 | | 81w^2-180wt+100t^2= | | -182.5=-70.00-2.25x |

Equations solver categories