3x^2+81=81

Simple and best practice solution for 3x^2+81=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 3x^2+81=81 equation: 


Simplifying
3x2 + 81 = 81

Reorder the terms:
81 + 3x2 = 81

Add '-81' to each side of the equation.
81 + -81 + 3x2 = 81 + -81

Combine like terms: 81 + -81 = 0
0 + 3x2 = 81 + -81
3x2 = 81 + -81

Combine like terms: 81 + -81 = 0
3x2 = 0

Solving
3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

See similar equations:

| 12x^2+7-31x=0 | | 7A=B | | 31x=42 | | 8(x+8y)= | | 3(7n+58)=(n+58) | | 14+2x=-3x-56 | | 4-8x=-36 | | -35=-7x-7 | | 6.2=x+0.4 | | 4x^2-5x+3=4x+1 | | (7-3x)(7+5x)=0 | | (20x)-(12-8)= | | -9=x+39 | | 6m=-96 | | 9x-3x=9+15 | | 3x-2x=12+6 | | (-3a^2b)(6ab^4c)= | | 176000(.07/12)= | | 5-3k=12-4k | | 3x-6=12+12 | | 3x-6=12+12x | | 2*x+2=8 | | 0x=2 | | x^2-11x-2=0 | | -42=3h | | x=-2/3 | | h+4.1=9.6 | | x-7=x-3 | | 5n=1 | | 8r^2+4r+5=0 | | 0.5-3=2-0.75k | | 29x*4=47 |

Equations solver categories