k^2-16k+28=0

Simple and best practice solution for k^2-16k+28=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 k^2-16k+28=0 equation:


Simplifying
k2 + -16k + 28 = 0

Reorder the terms:
28 + -16k + k2 = 0

Solving
28 + -16k + k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(2 + -1k)(14 + -1k) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(14 + -1k)' equal to zero and attempt to solve: Simplifying 14 + -1k = 0 Solving 14 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -1k = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -1k = 0 + -14 -1k = 0 + -14 Combine like terms: 0 + -14 = -14 -1k = -14 Divide each side by '-1'. k = 14 Simplifying k = 14

Solution

k = {2, 14}

See similar equations:

| 3p^2=-19p-20 | | 13=0.16666667y+2x | | -7(5.8+q)=-84 | | 7x+4y=138 | | 5(x+5)=10 | | -8x-5=-9x+7 | | 10x-6=31 | | -x+4y=12 | | 2x^2-7=3 | | 1+x=6.5 | | 3.2(w-6.5)=28.8 | | -55+44+(-8)= | | k^2-16k+10=0 | | -5n-6(5+6n)=298 | | 4(3d-2)=2(5y+6) | | 2((t^2)+10t-48)=0 | | 3(-8)+12=y | | 8p^6-14p^3r+3r^2=0 | | 4-5k=16 | | 6x^2-77=7 | | 15=9-3p | | 2x+5*7=13x+2 | | -12x+y+7-(-x)+9y+(-7)=0 | | 4(s+7)=84 | | 2p^2-9p+9=0 | | -4=25x-3 | | -20-7x=-3x^2 | | 5(2x+1)=60 | | 4x^2-77=11 | | 0.2(f+15)=3 | | -(4w-x)+5(3x+2w)= | | -3(z-8)=22 |

Equations solver categories