5x^2+8x-8=-4

Simple and best practice solution for 5x^2+8x-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 5x^2+8x-8=-4 equation:


Simplifying
5x2 + 8x + -8 = -4

Reorder the terms:
-8 + 8x + 5x2 = -4

Solving
-8 + 8x + 5x2 = -4

Solving for variable 'x'.

Reorder the terms:
-8 + 4 + 8x + 5x2 = -4 + 4

Combine like terms: -8 + 4 = -4
-4 + 8x + 5x2 = -4 + 4

Combine like terms: -4 + 4 = 0
-4 + 8x + 5x2 = 0

Factor a trinomial.
(-2 + -1x)(2 + -5x) = 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 '(2 + -5x)' equal to zero and attempt to solve: Simplifying 2 + -5x = 0 Solving 2 + -5x = 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 + -5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5x = 0 + -2 -5x = 0 + -2 Combine like terms: 0 + -2 = -2 -5x = -2 Divide each side by '-5'. x = 0.4 Simplifying x = 0.4

Solution

x = {-2, 0.4}

See similar equations:

| 4n-5=4n+1 | | (X*.64)=7750 | | 5y-4=2y+12 | | -33+64= | | B-1=75 | | 10=-5/6u | | 2L=108 | | 3x+9=-5x+7 | | 2x^2+5y^2=148 | | (4+2)x(8-2)= | | 9-(x+5)=6x-3 | | x(.029)+.30=100 | | x^2/4,5 | | 3(6a-b)-8(8b-2a)= | | 8(-3)=24 | | a/14=b | | 5000/3 | | -w+8=-12 | | 6x-4(x-2)x=10 | | 98x^3=8 | | 4v^2-15=-9v | | 7k(k-3)=3k-5 | | (1-.15)^x=1/9 | | (2v+1)(8+v)=0 | | 3x^3+18x^2=48x | | 4x-45=y | | x/4-4=20 | | v^2=-3-7v | | .029X+.30=100 | | 2(3x+1)=5x+7 | | 5x^2-7x-27=-3 | | Y=5cospix |

Equations solver categories