5x^2-12x=9

Simple and best practice solution for 5x^2-12x=9 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 5x^2-12x=9 equation:


Simplifying
5x2 + -12x = 9

Reorder the terms:
-12x + 5x2 = 9

Solving
-12x + 5x2 = 9

Solving for variable 'x'.

Reorder the terms:
-9 + -12x + 5x2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + -12x + 5x2 = 0

Factor a trinomial.
(-3 + -5x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -5x)' equal to zero and attempt to solve: Simplifying -3 + -5x = 0 Solving -3 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -5x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5x = 0 + 3 -5x = 0 + 3 Combine like terms: 0 + 3 = 3 -5x = 3 Divide each side by '-5'. x = -0.6 Simplifying x = -0.6

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-0.6, 3}

See similar equations:

| y/4+3=8 | | 5x^2-12x=-3 | | 61=6-8x-38 | | 4n+4n+1-7n-2n-6= | | 5x^2-12x=7 | | -7m+9(2m-3)= | | 18(b-1)+2=2(9b-8) | | 2(x-4)=x(2+1) | | 3x^3+3x^2+4x+4=0 | | 2x=x+5 | | 2x^3+11x^2-16x+5=0 | | 9=-3x+45 | | 7(x+6)=7x-6 | | 6-4r-5r-1= | | -35-3x=5(2x-3)+6 | | 4a+7=3a+18 | | 8x-9=22 | | 3(2y-5)-y=6 | | 12t+2+7t+5= | | 11m-13=12m+14 | | 9m-7=9+m | | 14x-11-3x=3 | | 9x-8=4x+12 | | 11m+13=m+12 | | 3x^2+11x=2 | | 12x-3y+5x+5y= | | x^2-19x-56=0 | | 19y=18(y+6) | | 2x+3x-8+9=5x-x+12-8 | | -z^2= | | -5+13=16x-3-15x | | (9+u)(5u+2)=0 |

Equations solver categories