k^2+45k-95=0

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Solution for k^2+45k-95=0 equation:


Simplifying
k2 + 45k + -95 = 0

Reorder the terms:
-95 + 45k + k2 = 0

Solving
-95 + 45k + k2 = 0

Solving for variable 'k'.

Begin completing the square.

Move the constant term to the right:

Add '95' to each side of the equation.
-95 + 45k + 95 + k2 = 0 + 95

Reorder the terms:
-95 + 95 + 45k + k2 = 0 + 95

Combine like terms: -95 + 95 = 0
0 + 45k + k2 = 0 + 95
45k + k2 = 0 + 95

Combine like terms: 0 + 95 = 95
45k + k2 = 95

The k term is 45k.  Take half its coefficient (22.5).
Square it (506.25) and add it to both sides.

Add '506.25' to each side of the equation.
45k + 506.25 + k2 = 95 + 506.25

Reorder the terms:
506.25 + 45k + k2 = 95 + 506.25

Combine like terms: 95 + 506.25 = 601.25
506.25 + 45k + k2 = 601.25

Factor a perfect square on the left side:
(k + 22.5)(k + 22.5) = 601.25

Calculate the square root of the right side: 24.52039967

Break this problem into two subproblems by setting 
(k + 22.5) equal to 24.52039967 and -24.52039967.

Subproblem 1

k + 22.5 = 24.52039967 Simplifying k + 22.5 = 24.52039967 Reorder the terms: 22.5 + k = 24.52039967 Solving 22.5 + k = 24.52039967 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-22.5' to each side of the equation. 22.5 + -22.5 + k = 24.52039967 + -22.5 Combine like terms: 22.5 + -22.5 = 0.0 0.0 + k = 24.52039967 + -22.5 k = 24.52039967 + -22.5 Combine like terms: 24.52039967 + -22.5 = 2.02039967 k = 2.02039967 Simplifying k = 2.02039967

Subproblem 2

k + 22.5 = -24.52039967 Simplifying k + 22.5 = -24.52039967 Reorder the terms: 22.5 + k = -24.52039967 Solving 22.5 + k = -24.52039967 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-22.5' to each side of the equation. 22.5 + -22.5 + k = -24.52039967 + -22.5 Combine like terms: 22.5 + -22.5 = 0.0 0.0 + k = -24.52039967 + -22.5 k = -24.52039967 + -22.5 Combine like terms: -24.52039967 + -22.5 = -47.02039967 k = -47.02039967 Simplifying k = -47.02039967

Solution

The solution to the problem is based on the solutions from the subproblems. k = {2.02039967, -47.02039967}

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