3x^2=8x+-4

Simple and best practice solution for 3x^2=8x+-4 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=8x+-4 equation:


Simplifying
3x2 = 8x + -4

Reorder the terms:
3x2 = -4 + 8x

Solving
3x2 = -4 + 8x

Solving for variable 'x'.

Reorder the terms:
4 + -8x + 3x2 = -4 + 8x + 4 + -8x

Reorder the terms:
4 + -8x + 3x2 = -4 + 4 + 8x + -8x

Combine like terms: -4 + 4 = 0
4 + -8x + 3x2 = 0 + 8x + -8x
4 + -8x + 3x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
4 + -8x + 3x2 = 0

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

Subproblem 1

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 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 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

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 = {0.6666666667, 2}

See similar equations:

| 3x^2=8n-4 | | 0.03x+0.065(500-x)=255 | | 3x^2+21=-16x | | b+13=12 | | 8x^2+45x=-25 | | 7x-3+4x-x-7= | | n+0.2n=48 | | 6x^2=-8+49x | | n+0.8n=36 | | 400=0.1t^2+3t | | -2.5=-1/3m+3/5 | | 0.8+x=1.6+0.2x | | 7/3x-1/4=5 | | 2u-5=5(2-u)-1 | | 7x+2=7(x+5) | | 2y+5=2y+32-3y | | 5(x-1)=4x+13 | | 1.6x+9.2=3.3x-1 | | 20*15.60=19n+8 | | 3x-2=50-x | | 13(v+4)-4v=3(3v+4)-16 | | 12=s+(s+3)+(s+5) | | 5u^2+3=16u | | 3+2x=2(2x+6)-3(x-1) | | 49y^2-64= | | 4+2x=2(2x+2)-3(x-4) | | 33/44 | | 81=35x | | (4.6)(1.4)/2.3=(7.7)x/0.2 | | 2w+5/3=w+2/3-2 | | (x+1)/2=(x-5)/3-2 | | 5c+9p=4560 |

Equations solver categories