4x^2-8x-5=

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


Simplifying
4x2 + -8x + -5 = 0

Reorder the terms:
-5 + -8x + 4x2 = 0

Solving
-5 + -8x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -2x)(5 + -2x) = 0

Subproblem 1

Set the factor '(-1 + -2x)' equal to zero and attempt to solve: Simplifying -1 + -2x = 0 Solving -1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2x = 0 + 1 -2x = 0 + 1 Combine like terms: 0 + 1 = 1 -2x = 1 Divide each side by '-2'. x = -0.5 Simplifying x = -0.5

Subproblem 2

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {-0.5, 2.5}

See similar equations:

| 0.75x-0.5=-2 | | y-20=5y | | 8+12z=13z | | 48+-7f=6 | | 4y=3y+57 | | Graphx=-3 | | 10x^4-30x^2=0 | | 7(7-3x)=-(x+11) | | 2x-1=3x-8 | | 27t^10-2t^7=0 | | x^2+22x+59=0 | | 15x-15=16x | | 17=2(3x-1)-x | | 2x+7y=19 | | x+2(x+3)=12 | | 2x+9y=15 | | 19=5x | | x=1500x-5x^2 | | 10x-102=6x-10 | | 80-2x=25x+23 | | (5)=-3x+10 | | 4(x-1)=2(x+6) | | 3x*4y=20x | | 40b+5-19b=26 | | 4x+9y=15 | | (w+3)w=104 | | 12x^2-19x+5= | | 7(-13)[3(-7)-4(-5)]= | | 5(x-2)+66=-2x | | 5x^2-7xy-6y^2=0 | | 230+0.25m=425 | | 18x+15=9x+41 |

Equations solver categories