x^2=-8+9x

Simple and best practice solution for x^2=-8+9x 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 x^2=-8+9x equation:


Simplifying
x2 = -8 + 9x

Solving
x2 = -8 + 9x

Solving for variable 'x'.

Reorder the terms:
8 + -9x + x2 = -8 + 9x + 8 + -9x

Reorder the terms:
8 + -9x + x2 = -8 + 8 + 9x + -9x

Combine like terms: -8 + 8 = 0
8 + -9x + x2 = 0 + 9x + -9x
8 + -9x + x2 = 9x + -9x

Combine like terms: 9x + -9x = 0
8 + -9x + x2 = 0

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

Subproblem 1

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 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 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 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 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {1, 8}

See similar equations:

| 7x-5-3x=x+6+x | | 9y+10=4y-5 | | t-65.55=-3.5t+3 | | 3(2x-6)+2(x+3)=4(x-5) | | 10y=76 | | x^2-xy-y^2=5 | | b-65.09=3.16+4 | | 2d-4/3=18 | | 10+5k=6k | | -3y+5.7=y+64.5 | | 2y=31 | | -8+2[6(n+1)-3n]= | | (4x+3)*x=520 | | Y-3.4=12.7 | | 3-3cos2x/6x | | -7pq-(-15pq)= | | 2[7-6(1-n)]+3n= | | 3x(a+1)+6(a+1)= | | 3x+7-9=8x+2 | | n+483.84=-8.7n+6.6 | | 1/2=1/4-1/4r | | n+483.84=-8.7n+66 | | -9p^2+13p^2= | | 6x^5+12x^3-3x=0 | | 3xsquared+x=52 | | 5(7c+8)=98 | | 2x^2=1.25x^2 | | Tn=-2n+8 | | x*0.8=20 | | 1/3−1/12=1/x | | 9x+8y=36forx | | Tn=-2+8 |

Equations solver categories