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:
3x2 = 8 + -2x

Solving
3x2 = 8 + -2x

Solving for variable 'x'.

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

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

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

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

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-2, 1.333333333}

See similar equations:

| 4/5*(-2/9) | | 2x-12x/24=0 | | f(12)=(12)2-4 | | y-x+7x-6x= | | y/2=1/9 | | ((3m^5n^4/m^0n^-3))^-2 | | 20*x+10=100-x*0.5 | | (2x+3)(x+5)=5 | | 85√3/85 | | 3sin(X+3.14)=0 | | tanx=85√3/85 | | 7+log[5](4x)=9 | | Tan40=4/x | | 0.82x+25(x/20)=72.50 | | 6(x)=2/3x-6 | | 20*x=100-x | | 350=93+w | | 23=30+b | | 3/7x=0 | | x^2+y+100=0 | | -9+2.2=-3x+7 | | 2tanx/5-1 | | -x-2=1-2y | | 8x-1+7x+14=180 | | 6(a-9)=66 | | 220/30 | | (2x-3)/7=1 | | 100+101= | | 69x+69y=6969696969696969696969 | | 0.4x+0.1x=3.5 | | 69x=696969 | | 3/20-9/20 |

Equations solver categories