3x^2-4x-8=-4

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


Simplifying
3x2 + -4x + -8 = -4

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

Solving
-8 + -4x + 3x2 = -4

Solving for variable 'x'.

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

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

Combine like terms: -4 + 4 = 0
-4 + -4x + 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:

| (u+5)(u-6)=0 | | (w+1)(w+9)=0 | | -3a-2(a-9)=7 | | 6(x-8)=5(x-1) | | (4x+7)(x-8)=8 | | 6(2x-1)=5(x+3) | | (x+6)(x-6)(2x-5)=0 | | 5(a+4)=4(a-3) | | 5(2x+3)=25 | | 4X-40=12+6X-6X | | -3(p-4)=21 | | 3(2t+1)=21 | | 5(m-4)=35 | | 2(4x-3)=30 | | (1/4)x-1=7 | | 9x-2=4(x+3) | | 2x+y+3yi=5-xi | | 3x^2-21x+21=x^2-4x | | y=4*10 | | 0.20x+0.5(4-x)=.10(5) | | 120=90 | | 9(105)+3(104)+5(103)+3(102)+7(101)=1 | | -133+5x=101+14x | | -3(y+1)=15 | | -2(3x-1)=20 | | 6(x-2)=28 | | 27x+x=135 | | 2(5x-1)=28 | | -29-2x=-4x+51 | | 8(2x-1)=64 | | t=2g+2v | | 7(m-4)=14 |

Equations solver categories