2(x^2-1)=6x-2

Simple and best practice solution for 2(x^2-1)=6x-2 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 2(x^2-1)=6x-2 equation:


Simplifying
2(x2 + -1) = 6x + -2

Reorder the terms:
2(-1 + x2) = 6x + -2
(-1 * 2 + x2 * 2) = 6x + -2
(-2 + 2x2) = 6x + -2

Reorder the terms:
-2 + 2x2 = -2 + 6x

Add '2' to each side of the equation.
-2 + 2 + 2x2 = -2 + 2 + 6x

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

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

Solving
2x2 = 6x

Solving for variable 'x'.

Reorder the terms:
-6x + 2x2 = 6x + -6x

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

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

Ignore the factor 2.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

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 = {0, 3}

See similar equations:

| -8-5x=12 | | 5x+24=5(x-5) | | 6-3x=-18 | | 8x+2(x+12)=44 | | 6(x-5)-19=5 | | x^2+10x+16=-9 | | 8x-13=22 | | -6w-2=46 | | 2x+1=-13 | | 7n+8=29 | | 9(h+3)-4=32 | | x-2x+3=3-x | | 8(c-9)=6(2c-12)-4 | | 5+4(x+9)=-3 | | 5w+6=41 | | 6x-9=45 | | 4x-2x+4=10 | | -4m-6=38 | | 40-(2x+5)=61 | | 12-2a=-5a-9 | | .75d+4=.25d+18 | | -4(7r-6)-r=-5 | | -10+6g=170 | | m+4m-2-2m=2m+2-3 | | 20k+40=50 | | 6w+12w=54 | | 4p+2=20 | | 8j=96 | | -2(1.25+0.5y)+y=6 | | 2x+3=7x | | 8+x=3x | | 5(y-1)=4y |

Equations solver categories