20x^2-x=12

Simple and best practice solution for 20x^2-x=12 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 20x^2-x=12 equation:


Simplifying
20x2 + -1x = 12

Reorder the terms:
-1x + 20x2 = 12

Solving
-1x + 20x2 = 12

Solving for variable 'x'.

Reorder the terms:
-12 + -1x + 20x2 = 12 + -12

Combine like terms: 12 + -12 = 0
-12 + -1x + 20x2 = 0

Factor a trinomial.
(-3 + -4x)(4 + -5x) = 0

Subproblem 1

Set the factor '(-3 + -4x)' equal to zero and attempt to solve: Simplifying -3 + -4x = 0 Solving -3 + -4x = 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 + -4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4x = 0 + 3 -4x = 0 + 3 Combine like terms: 0 + 3 = 3 -4x = 3 Divide each side by '-4'. x = -0.75 Simplifying x = -0.75

Subproblem 2

Set the factor '(4 + -5x)' equal to zero and attempt to solve: Simplifying 4 + -5x = 0 Solving 4 + -5x = 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 + -5x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5x = 0 + -4 -5x = 0 + -4 Combine like terms: 0 + -4 = -4 -5x = -4 Divide each side by '-5'. x = 0.8 Simplifying x = 0.8

Solution

x = {-0.75, 0.8}

See similar equations:

| 12x+13y=156 | | 20x^2-b=12 | | n-3+2n=1 | | 6x^4-4x^3+x^2-10=0 | | 4.5+1.7n=0.08 | | 5k-6+6=0 | | 2x^3-2=0 | | 7(7x+5)=231 | | -6(-6m+1)=-222 | | 3(k+5)-8k+6+3= | | 6=6x-x^2 | | -6(1-2x)+2=92 | | 6a-3a=-3 | | (9+z)(5z+2)=0 | | -4(-10-2x)=112 | | 3(5-d)-23=21d-4(2+6d) | | -4x-4x=-8 | | 5n^2-11n-12=0 | | 6+4n-2=7n+6-2n | | x(2+4x)=20 | | w=y(r+b) | | 3(-3x-4)=-93 | | 8x+3+3x-10=12x-6 | | 8k^2+80k+130=2 | | 4t^2-19t+12=0 | | 2n+9-6n=-2 | | 36+-13w+w^2=0 | | 8x-35=3x | | -5x-24=-124 | | 6(x-7)+x=7(x-8)+14 | | x^2+16x+23=0 | | .375x-.3333333333+6=.166666667 |

Equations solver categories