0=81x^2-4x

Simple and best practice solution for 0=81x^2-4x 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 0=81x^2-4x equation:


Simplifying
0 = 81x2 + -4x

Reorder the terms:
0 = -4x + 81x2

Solving
0 = -4x + 81x2

Solving for variable 'x'.
Remove the zero:
4x + -81x2 = -4x + 81x2 + 4x + -81x2

Reorder the terms:
4x + -81x2 = -4x + 4x + 81x2 + -81x2

Combine like terms: -4x + 4x = 0
4x + -81x2 = 0 + 81x2 + -81x2
4x + -81x2 = 81x2 + -81x2

Combine like terms: 81x2 + -81x2 = 0
4x + -81x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(4 + -81x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(4 + -81x)' equal to zero and attempt to solve: Simplifying 4 + -81x = 0 Solving 4 + -81x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -81x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -81x = 0 + -4 -81x = 0 + -4 Combine like terms: 0 + -4 = -4 -81x = -4 Divide each side by '-81'. x = 0.04938271605 Simplifying x = 0.04938271605

Solution

x = {0, 0.04938271605}

See similar equations:

| 2x-1=1.5x+2.5 | | .75k-6=.25k-1 | | 3(1-5b)=-72 | | .8+b=3b-.6 | | 6u^2+96=0 | | 6(x+1)=-6x-30 | | 7x+18=130 | | 16t^2-196t-14=0 | | 4x-12=1.2x-0.6 | | -3(-7u+5)-4u=2(u-8)-9 | | Y=(-2)-1-12 | | 16t^2-169t-46=0 | | sqrt(x+4)=3x-12 | | X^3+9x=100 | | 2(5x-7)=10x-14 | | sqrt(x-4)=3x-12 | | Y=-2(-9)-12 | | 130=q-10+11q | | tan^2(x)-3tan(x)-5=0 | | 3+2s=13 | | -r+4(1+3r)=70 | | 5x+7=9x-25 | | -5(7b-8)=33 | | 7cos^2x-1=0 | | -3/2-2/3u=-2/5 | | 7cos^2(x-1)=0 | | X-5+8=6 | | -2w/9-8 | | 60/100*10=x | | 60/100*4,5=x | | 3x+1-52=180 | | 1/2x-1/6y=1 |

Equations solver categories