3x^2+-2x=8

Simple and best practice solution for 3x^2+-2x=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 3x^2+-2x=8 equation:


Simplifying
3x2 + -2x = 8

Reorder the terms:
-2x + 3x2 = 8

Solving
-2x + 3x2 = 8

Solving for variable 'x'.

Reorder the terms:
-8 + -2x + 3x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + -2x + 3x2 = 0

Factor a trinomial.
(-4 + -3x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-4 + -3x)' equal to zero and attempt to solve: Simplifying -4 + -3x = 0 Solving -4 + -3x = 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 + -3x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3x = 0 + 4 -3x = 0 + 4 Combine like terms: 0 + 4 = 4 -3x = 4 Divide each side by '-3'. x = -1.333333333 Simplifying x = -1.333333333

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 = {-1.333333333, 2}

See similar equations:

| y-120=-91/2(x-0) | | 3(2x-6)=3x-3 | | -2x^2+x+1=mx+1 | | 3x+4=9x-7 | | -6y=5 | | 3.14*x=28 | | 40x+60x=20 | | w(4-w^2+1)=8-w^3 | | (.25x+3)=.75x-7 | | 3m+17=77 | | -14=2+3m+5m | | -5(-9x+1)-6=-11(1+4x) | | 5(2k+11)=3(12+5k) | | z(z+6)(6z+1)=0 | | -3(2r-4)=-36 | | 6(-10x-7)=59-60x | | -3(2r-4)=-46 | | 5-(x-1)=10 | | 1-((x-5840)/x)=0.22 | | 5/7x=125 | | 1-((x-5340)/x)=0.22 | | 6(x-4)-(x+13)=4(7x+8) | | 1/4x+1=0 | | 2y+17=-3 | | -x+1-4-(4-1)=-x-2-(4) | | 1/3x+2=-2 | | x=3*x-12 | | 2/5(5k+35)-8=26 | | -3(5-12y)=-152 | | 6-5x=x+9 | | 3(logx)2-2.3(logx)-3=0 | | 11(-2a+2b-4c)-9(5a-7b+2c)= |

Equations solver categories