5k^2-40k+80=0

Simple and best practice solution for 5k^2-40k+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 5k^2-40k+80=0 equation:


Simplifying
5k2 + -40k + 80 = 0

Reorder the terms:
80 + -40k + 5k2 = 0

Solving
80 + -40k + 5k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '5'.
5(16 + -8k + k2) = 0

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

Ignore the factor 5.

Subproblem 1

Set the factor '(4 + -1k)' equal to zero and attempt to solve: Simplifying 4 + -1k = 0 Solving 4 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1k = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1k = 0 + -4 -1k = 0 + -4 Combine like terms: 0 + -4 = -4 -1k = -4 Divide each side by '-1'. k = 4 Simplifying k = 4

Subproblem 2

Set the factor '(4 + -1k)' equal to zero and attempt to solve: Simplifying 4 + -1k = 0 Solving 4 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1k = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1k = 0 + -4 -1k = 0 + -4 Combine like terms: 0 + -4 = -4 -1k = -4 Divide each side by '-1'. k = 4 Simplifying k = 4

Solution

k = {4, 4}

See similar equations:

| n^2-4n-20=-8 | | x^3-8i=0 | | 4x+10+30x=40-3x | | B+3=2b | | x^3-8+8isqrt(3)=0 | | 10x-2y=-16 | | 11m-18=5m | | m/n7 | | 11x+15=3x+151 | | x+x+4=18 | | 2/12+3/17 | | 11x+23=5x+131 | | 7a+4(a+3)=133 | | D^2+5d=14 | | 2*-6+4=8 | | 15-3=1218 | | ax+2b=bx+2a | | 7=154 | | 16n/8n+10-2x3-8 | | 2x^2+13x-19=0 | | 240000000/365 | | -(2r-1)=2(3-2r) | | 2x^2+13x-10=0 | | 11/2/3/8 | | 2(a+6.5)=20 | | w/7-4=-2.5 | | -6.9x=-43.2-1.5x | | 4.5s+1=14.5 | | 3/5*11/2 | | 2x^2+5x-2=2x+7 | | 7/12+5/6 | | 5x-2=13-42 |

Equations solver categories