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:
5x2 = 9 + -12x

Solving
5x2 = 9 + -12x

Solving for variable 'x'.

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

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

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

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

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-3, 0.6}

See similar equations:

| 10(-4+x)=2y | | -2a+18+5a=3a-6a | | ln(x+5)+ln(x)=ln(4) | | -4x+11x-17=11 | | 4(3+6x)=276 | | 6(3+6x)=276 | | 5(8z-5)-[2(5x-3)+5]= | | -5.9(3x+5)-2.9(2x-4)= | | 5y+36=-3(y+4) | | 6(3x+3)=90 | | 6a^2=-5a | | 6X+-7=2X+5 | | 82-x=159 | | 4(7x+10)=40 | | 5x+18=7x-6 | | (2x+40)+(x-20)+x=180 | | 80=5x+x+8 | | 4x+6=2(3x*7) | | 9(x-3)+3x=6(2x+5)-13 | | 25n^2=16 | | 8y-23=4y+41 | | 4+2x+6x=84 | | 25n^2-9=7 | | 2(14)+34=6(14)-22 | | -3(8x+4)-2(3-17x)=3(1+3x) | | -4m-14=14 | | 25n^2+9=7 | | 2x+34=6x-22 | | 164-4x^2-63x=0 | | 4-3x=-x | | 8=6^x | | 6x+45=2x+9 |

Equations solver categories