If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
81x2 + -121 = 0
Reorder the terms:
-121 + 81x2 = 0
Solving
-121 + 81x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '121' to each side of the equation.
-121 + 121 + 81x2 = 0 + 121
Combine like terms: -121 + 121 = 0
0 + 81x2 = 0 + 121
81x2 = 0 + 121
Combine like terms: 0 + 121 = 121
81x2 = 121
Divide each side by '81'.
x2 = 1.49382716
Simplifying
x2 = 1.49382716
Take the square root of each side:
x = {-1.222222222, 1.222222222}
| 4x+6=96-5 | | 4a+5=2a+1 | | 110.08=-8(4n-5) | | 4x^2-36x=0 | | 37x+49x=774 | | 5b+1=3b+8 | | (3x^2-4x+8)+(2x-7x^2-5)= | | 2x-13=8x+3 | | 5z=2 | | -177.2=5(4d-7) | | y=-82x+1 | | 10z=5z+2 | | 3x-2y=36 | | x(x+1)=4.8 | | 2x+7=6x-2*(3x-1) | | 10z+7=5z+9 | | 16x^2+20x=0 | | (12x-11)(8x-5)=0 | | 3x^2+7x-11=-5x+4 | | x+38=-42 | | 118-4x=4x+14 | | -16x+92=-42 | | 1-y=6 | | 0.2x+1=0 | | -4b-28=0 | | t-(-10)=-8 | | 7x-2y=31 | | 7-63x=12 | | -5-b=2a | | 3x^2-14x=-3 | | -5-b= | | (u)3-7u-6ifu=-2 |