k^2-6k+1=0

Simple and best practice solution for k^2-6k+1=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^2-6k+1=0 equation:


Simplifying
k2 + -6k + 1 = 0

Reorder the terms:
1 + -6k + k2 = 0

Solving
1 + -6k + k2 = 0

Solving for variable 'k'.

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -6k + -1 + k2 = 0 + -1

Reorder the terms:
1 + -1 + -6k + k2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -6k + k2 = 0 + -1
-6k + k2 = 0 + -1

Combine like terms: 0 + -1 = -1
-6k + k2 = -1

The k term is -6k.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6k + 9 + k2 = -1 + 9

Reorder the terms:
9 + -6k + k2 = -1 + 9

Combine like terms: -1 + 9 = 8
9 + -6k + k2 = 8

Factor a perfect square on the left side:
(k + -3)(k + -3) = 8

Calculate the square root of the right side: 2.828427125

Break this problem into two subproblems by setting 
(k + -3) equal to 2.828427125 and -2.828427125.

Subproblem 1

k + -3 = 2.828427125 Simplifying k + -3 = 2.828427125 Reorder the terms: -3 + k = 2.828427125 Solving -3 + k = 2.828427125 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + k = 2.828427125 + 3 Combine like terms: -3 + 3 = 0 0 + k = 2.828427125 + 3 k = 2.828427125 + 3 Combine like terms: 2.828427125 + 3 = 5.828427125 k = 5.828427125 Simplifying k = 5.828427125

Subproblem 2

k + -3 = -2.828427125 Simplifying k + -3 = -2.828427125 Reorder the terms: -3 + k = -2.828427125 Solving -3 + k = -2.828427125 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + k = -2.828427125 + 3 Combine like terms: -3 + 3 = 0 0 + k = -2.828427125 + 3 k = -2.828427125 + 3 Combine like terms: -2.828427125 + 3 = 0.171572875 k = 0.171572875 Simplifying k = 0.171572875

Solution

The solution to the problem is based on the solutions from the subproblems. k = {5.828427125, 0.171572875}

See similar equations:

| (x)(x)+16x+63=0 | | 2(x-2)=24 | | p+q=2q+px | | 4a+3-2a+2=5a-13+a | | 43-6(x)(x)=0 | | 10x(4x-2)= | | 2(x)(x)-152=0 | | 2x(5-2x)=8x-12 | | 0.45x+0.05(16-x)=0.10(0) | | 42b=84 | | 5x=2a | | 7(m+8)-5= | | 49(x)(x)+15x-8=x | | y=ax+nx | | u=(m+k)x | | 4x-5=9x+21 | | 7(x)(x)-91x+280=0 | | r=P/2(a+L) | | g(-1)=-2x-9 | | 8(x)(x)+8x-448=0 | | 60-x+5x=180 | | 4x^2+4xy-15y^2= | | (9-7)-(16/8)^2 | | 16=2t(6-t) | | (8x)(8x)+8x-448=0 | | 2x+2y=12x-3y-20 | | c/2+78=2b | | -28+2(3x-1)=9x-3(5+3x) | | (2x-9)(5x+6)= | | -2(x-3)+5=3(x-1) | | -2.5v+1.8=1+8v | | 3x+10=28+x |

Equations solver categories