k^2-18k+77=-3

Simple and best practice solution for k^2-18k+77=-3 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^2-18k+77=-3 equation: 


Simplifying
k2 + -18k + 77 = -3

Reorder the terms:
77 + -18k + k2 = -3

Solving
77 + -18k + k2 = -3

Solving for variable 'k'.

Reorder the terms:
77 + 3 + -18k + k2 = -3 + 3

Combine like terms: 77 + 3 = 80
80 + -18k + k2 = -3 + 3

Combine like terms: -3 + 3 = 0
80 + -18k + k2 = 0

Factor a trinomial.
(8 + -1k)(10 + -1k) = 0


Subproblem 1
Set the factor '(8 + -1k)' equal to zero and attempt to solve:

Simplifying
8 + -1k = 0

Solving
8 + -1k = 0

Move all terms containing k to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + -1k = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1k = 0 + -8
-1k = 0 + -8

Combine like terms: 0 + -8 = -8
-1k = -8

Divide each side by '-1'.
k = 8

Simplifying
k = 8

Subproblem 2
Set the factor '(10 + -1k)' equal to zero and attempt to solve:

Simplifying
10 + -1k = 0

Solving
10 + -1k = 0

Move all terms containing k to the left, all other terms to the right.

Add '-10' to each side of the equation.
10 + -10 + -1k = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -1k = 0 + -10
-1k = 0 + -10

Combine like terms: 0 + -10 = -10
-1k = -10

Divide each side by '-1'.
k = 10

Simplifying
k = 10
Solution
k = {8, 10}

See similar equations:

| a/6+12=18 | | a^2+8a-57=-9 | | 1/3b-4 | | 95+.75=116 | | lnx+x=0 | | 1-3/6x=9/5 | | 5x-4=13x+20 | | 4cos-3sec=0 | | 5x-45=13x+20 | | -[-2(-1+m)]=-3(-1+m) | | 225=120^2/s | | 9/x-2=5/x^2 | | 7n+2=24 | | 276=115^2/x | | 5/(3p)+2/3=(5+p)/(2p) | | N=w(1+QD) | | Not=w(1+QD) | | f(x)=4x^2+16x+2 | | 96-94y=0 | | 14n+12=5n-6 | | 33-2(7r+9)=-9-6r | | D=w(1+Qn) | | 33-3(7r+9)=-9-6r | | x^3-7x^2+2x-14= | | 9x-y-3=0 | | 3a-15=42 | | -16m^2+25=0 | | f(6)=36+1.531 | | f(6)=36+.1531 | | 2n+6=17 | | y=sw-st^3 | | y=4-3*-5 |

Equations solver categories