3*x^2-3x-6=0

Simple and best practice solution for 3*x^2-3x-6=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 3*x^2-3x-6=0 equation:


Simplifying
3x2 + -3x + -6 = 0

Reorder the terms:
-6 + -3x + 3x2 = 0

Solving
-6 + -3x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-2 + -1x + x2) = 0

Factor a trinomial.
3((-1 + -1x)(2 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-1, 2}

See similar equations:

| 13x-31= | | (N+3)(5n+7)=0 | | 2p^2-8p=0 | | -35x+5=0 | | -8x-17=81 | | 1/5x-7=3 | | 4w-8=28 | | Tan(42)=5/y | | 2/180 | | 2+10k=9k | | 5u+10=6u | | n-57=198 | | F(x)=-x*x+3 | | Y^2-4y=-21 | | 10x+9y=100 | | 4x-8+3-2x+13+y= | | 4(x-3)-x=x-x-6 | | 2z-3=2 | | -2(2y-8)-y=-3(y-2) | | 5r+2=18 | | (x+8)*(x^2-9)=0 | | -29a-50=0 | | x^2-26x+24=0 | | 5a^3-18=0 | | 36x^2+3x=4y^2+9x | | 2(a-5)*(a+5)=21a | | 20+4c=4c-7 | | 2p-p^2=-9 | | w^2-3(1+2i)w-8+6i=0 | | 25-5m=5m | | w^2-3(1+2i)z-8+6i=0 | | 7-8x=4(x-1)+7 |

Equations solver categories