4x^2-80=4x

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


Simplifying
4x2 + -80 = 4x

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

Solving
-80 + 4x2 = 4x

Solving for variable 'x'.

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

Combine like terms: 4x + -4x = 0
-80 + -4x + 4x2 = 0

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:

| -6x+17=59 | | -4x+1=2x-23 | | n-2+2=0+2 | | -2(2x-2)+5= | | 19=3.5x-2 | | z+30=10z+x | | f(x)=3(x-4)(x+9) | | y=2b+3 | | x+14600-y=1500 | | 5v+4v=81 | | -28=6x+3x+8 | | x+9=2z | | n+4-4=4-4 | | z^2-2-6=0 | | Y=1(65)+29 | | 25=7x+2x-2 | | Log(4x-14)=1 | | Log(45-5x)=1 | | n+6-6=1-6 | | -7+5x+2x=77 | | 3x^2-10=98 | | Y=-0.8(2)+72 | | 3(-1)+4y=-11 | | -4x-14=-22 | | 10-7x+x=4 | | 3x+4(-3+-1x)=-11 | | -3x+5=-8x-5 | | 2(9x-9)= | | n-5+5=3+5 | | 5(x-11)=3x-40 | | -4x+1+7x=-35 | | X+44=-16 |

Equations solver categories