5x^2-x-4x^2-12=0

Simple and best practice solution for 5x^2-x-4x^2-12=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 5x^2-x-4x^2-12=0 equation:


Simplifying
5x2 + -1x + -4x2 + -12 = 0

Reorder the terms:
-12 + -1x + 5x2 + -4x2 = 0

Combine like terms: 5x2 + -4x2 = 1x2
-12 + -1x + 1x2 = 0

Solving
-12 + -1x + 1x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -1x)(4 + -1x) = 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 '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-3, 4}

See similar equations:

| -16-4-8= | | -(2y+4)+3(2y+4)-2y= | | ax-b=d-cx | | 4x^4-5x^3-2x^2=0 | | -10+6=-7x+-9 | | 3-4x-5=-2 | | 0.25(12+4x)-0.5(8+2x)=0 | | 5x+6y-17=0 | | -8x+3(1-8x)=-4x+31 | | 0.25(12+4x)-0.5(8+2x)= | | x^3*x^6*x^9= | | 5=-3b-4-3 | | 3x^3+16x^2+15x-18=0 | | 11=n/6-5 | | 2x-8=-3x+2 | | 1-3p-1=-18 | | 11-7x=107-28x | | 21=43-2r | | 2(x+3)=x-13 | | 52=5d+7 | | w-22= | | a/12-3=2 | | 2(x+3)+4x=6+6x | | 69-2x=16x+19 | | 1.3(x-13)=14 | | 9x+20y=85 | | 6x^3+7x^2-3x= | | -10x=2x^2 | | .5n+5n=7n-18 | | -5x+8x-33=21 | | (x-9)-(-5+3)=1 | | 0.6(x-13)=14 |

Equations solver categories