4x^2-4x-80=0

Simple and best practice solution for 4x^2-4x-80=0 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^2-4x-80=0 equation:


Simplifying
4x2 + -4x + -80 = 0

Reorder the terms:
-80 + -4x + 4x2 = 0

Solving
-80 + -4x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-20 + -1x + x2) = 0

Factor a trinomial.
4((-4 + -1x)(5 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 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 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-4, 5}

See similar equations:

| 180=x+2x+(x+8) | | 6z+0.20=7z+0.40 | | 50+1.99m=0+3.99m | | (x)7+(-6)=-20 | | 12=15-v | | -40=-46+n | | 5x^2+11=2x^2-25 | | 6+-7(x)=-20 | | 8-x=-28 | | 4x+3(2x+7)=31 | | 5+y=84/9 | | (x)7-6=-20 | | (100*3-60)*(20*3+60-10)= | | p+3p-1=5 | | x^4=8.1x^2 | | 4(-5)+2b=-2 | | 39=20-a | | (500/100+20)+(80/4+15-10) | | 4[3-(6x-7)]+4x=0 | | 7z-3=15 | | X^2+4y^2-2x-3=0 | | y-4x=10 | | .80(x-100.00)=450.00 | | 2/3x+3/4x=0.34 | | (180/10+20)+(20*3-18/2) | | s-7=-15 | | y-2=.5x+-5 | | 45+r=38 | | 2(x+6)=16 | | y-2=.5+-5 | | 12(x-3)=4x-52 | | (x)4+8=-12 |

Equations solver categories