6X^2-90=12X

Simple and best practice solution for 6X^2-90=12X 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 6X^2-90=12X equation:


Simplifying
6X2 + -90 = 12X

Reorder the terms:
-90 + 6X2 = 12X

Solving
-90 + 6X2 = 12X

Solving for variable 'X'.

Reorder the terms:
-90 + -12X + 6X2 = 12X + -12X

Combine like terms: 12X + -12X = 0
-90 + -12X + 6X2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(-15 + -2X + X2) = 0

Factor a trinomial.
6((-3 + -1X)(5 + -1X)) = 0

Ignore the factor 6.

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 '(5 + -1X)' equal to zero and attempt to solve: Simplifying 5 + -1X = 0 Solving 5 + -1X = 0 Move all terms containing X to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1X = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1X = 0 + -5 -1X = 0 + -5 Combine like terms: 0 + -5 = -5 -1X = -5 Divide each side by '-1'. X = 5 Simplifying X = 5

Solution

X = {-3, 5}

See similar equations:

| 8x+-8-2=-(x+50) | | 15/(3x-4)=5/x | | 6(4a-2)=4(2a+1) | | C-2.1=8.5 | | r-32=5 | | 18-10+2=6 | | 54*9=y | | 27x-81=21x-21 | | 1.25x=190 | | .25x=190 | | 1/4x=190 | | 2(5x+4)=2(6x-1) | | D+42=90 | | x^2-xy-6y^2+2x-y+1=0 | | 4K-94=2(3-6k)-4k | | 6(3c-5)=4(4c+5) | | 6x-5=-8+5x | | 2x-8=3+2x | | 6-5x-1=9 | | 6x-5=10x-4 | | x+x*2-2=0 | | x+xy-y=0 | | 64x^2+7=16 | | 3x+-x=18 | | I=c/2.54 | | -7/2×(-7/5 | | 2x^5-16x^3=0 | | 2y-5=-3y+15 | | x^3-14x^2+49=0 | | 3(3q+4)=2(2q-2) | | 2n+3m=4forn | | 11/30y=y/60y^3 |

Equations solver categories