81x^2-81x+8=0

Simple and best practice solution for 81x^2-81x+8=0 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 81x^2-81x+8=0 equation:


Simplifying
81x2 + -81x + 8 = 0

Reorder the terms:
8 + -81x + 81x2 = 0

Solving
8 + -81x + 81x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + -9x)(8 + -9x) = 0

Subproblem 1

Set the factor '(1 + -9x)' equal to zero and attempt to solve: Simplifying 1 + -9x = 0 Solving 1 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -9x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -9x = 0 + -1 -9x = 0 + -1 Combine like terms: 0 + -1 = -1 -9x = -1 Divide each side by '-9'. x = 0.1111111111 Simplifying x = 0.1111111111

Subproblem 2

Set the factor '(8 + -9x)' equal to zero and attempt to solve: Simplifying 8 + -9x = 0 Solving 8 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -9x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -9x = 0 + -8 -9x = 0 + -8 Combine like terms: 0 + -8 = -8 -9x = -8 Divide each side by '-9'. x = 0.8888888889 Simplifying x = 0.8888888889

Solution

x = {0.1111111111, 0.8888888889}

See similar equations:

| 9y+4=12y-2 | | 87t=47 | | x^3-4*x=0.2 | | a^5+4a^4b-5a^3b^2=0 | | -d-4=14 | | -65n+5+4= | | (2)x*x+98=28x | | 6r-6r= | | 107*107+93*93= | | a^2+ab-72b=0 | | 4.9x^2+7.6x+25=0 | | 7xy^2+5xy-2ay-7y= | | 4.7(2x-0.5)=-6(1.6x-8.3x) | | (r)(r)+25=0 | | (9x+7)-7=-8(x+2) | | 39(x+2)=63x | | -8x^6-16x^5+64x^4=0 | | (9+7)-7=-8(x+2) | | -4.9x^2+7.6x+25=0 | | (3x-7)-(x-4)=0 | | 4(x-4)+x=5(x-5)+9 | | 9=p+15 | | (4+u)(5u-8)=0 | | -3x^6-9x^5+120x^4=0 | | 7x^2-11x-26=0 | | 11(x-4)=121 | | a^2-16ax+60x^2=0 | | s^2+11sd+28d^2=0 | | 47-T=T-6 | | (x)(x)-25=0 | | 47+(t-6)=T | | q=4.7 |

Equations solver categories