Q^2=81

Simple and best practice solution for Q^2=81 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 Q^2=81 equation: 


Simplifying
Q2 = 81

Solving
Q2 = 81

Solving for variable 'Q'.

Move all terms containing Q to the left, all other terms to the right.

Simplifying
Q2 = 81

Take the square root of each side:
Q = {-9, 9}

See similar equations:

| 32x^2+x=-1296000 | | 4(2b-3)=2(5b-1) | | (7m+9)-[-m^2-(7m-9)]= | | 2x^2-6=-x-4 | | 15x=3+4(2+3x) | | 7a+5=5a-11 | | 7(z-3)6z-4= | | -(3b+1)-5= | | 168000/(2/3) | | 50=16+x | | y-4x+9=0 | | -3/2x=-18 | | x/4/8/7 | | x^2-y^2/x-y4y-y^2/y= | | 4(b+-1)=-4+4b | | (8-x)(x+9)=0 | | -4y=-3/7 | | 4(x+9)=13x-36 | | 30=x-2/5x | | (5x+9)(5x+8)= | | 30=x-2/5 | | ax+b=c-a(x-b)forx | | 9n-37=35 | | 5+3x=8x-10 | | -12=1/2(6x-12) | | 5+5x=9x+3 | | (6x^5+8x)-(-3x^5-8x+5)= | | z=hy-hy^2 | | 2x+16-28=0 | | 5/4n=80 | | (6x^2+8x)-(-3x^5-8x+5)= | | s*6-16=44 |

Equations solver categories