-2x^2-4x-2=-8

Simple and best practice solution for -2x^2-4x-2=-8 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 -2x^2-4x-2=-8 equation:


Simplifying
-2x2 + -4x + -2 = -8

Reorder the terms:
-2 + -4x + -2x2 = -8

Solving
-2 + -4x + -2x2 = -8

Solving for variable 'x'.

Reorder the terms:
-2 + 8 + -4x + -2x2 = -8 + 8

Combine like terms: -2 + 8 = 6
6 + -4x + -2x2 = -8 + 8

Combine like terms: -8 + 8 = 0
6 + -4x + -2x2 = 0

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

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

Ignore the factor 2.

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 '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {1, -3}

See similar equations:

| -x-x-x-x-x-x=15+5 | | 13-10+22*5= | | -4(x+y)= | | 3y=1/2y+20 | | 2-25/25+11 | | 4+3p=16 | | 21-5(x+10)=-14 | | 10(2x-3)-5x=0 | | K/5=-3.9 | | 16-4(1)(9)= | | 8-4(1)(9)= | | 12x^2-130x+252=0 | | -0.01(5x+4)=0.04-0.01(x-4) | | (3x-x^2)/(x+3)^2 | | 10(T-1)=8(T+2)-T | | yx^2+6xy+9y-3x+x^2=0 | | yx^2+6xy+9y+3x-x^2=0 | | 5+6w=2+12w | | 4-4(2)(-8)= | | Y^2-4y-8x-28=0 | | -x^2+28x=160 | | 4.00x+20.00=32 | | -(15-5s)-(9s+1)=48 | | ln(x+9)+ln(x-2)=2ln(x) | | 4.00x+20.00=3 | | 13=-y+8 | | k/4+24=10 | | 4.00x+20=200 | | 9x+6z-3y=2y+2x | | 8y+56=4y | | -8-y=9 | | (x-4)(y+6)= |

Equations solver categories