w^2-6w-64=0

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Solution for w^2-6w-64=0 equation:


Simplifying
w2 + -6w + -64 = 0

Reorder the terms:
-64 + -6w + w2 = 0

Solving
-64 + -6w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '64' to each side of the equation.
-64 + -6w + 64 + w2 = 0 + 64

Reorder the terms:
-64 + 64 + -6w + w2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + -6w + w2 = 0 + 64
-6w + w2 = 0 + 64

Combine like terms: 0 + 64 = 64
-6w + w2 = 64

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

Add '9' to each side of the equation.
-6w + 9 + w2 = 64 + 9

Reorder the terms:
9 + -6w + w2 = 64 + 9

Combine like terms: 64 + 9 = 73
9 + -6w + w2 = 73

Factor a perfect square on the left side:
(w + -3)(w + -3) = 73

Calculate the square root of the right side: 8.544003745

Break this problem into two subproblems by setting 
(w + -3) equal to 8.544003745 and -8.544003745.

Subproblem 1

w + -3 = 8.544003745 Simplifying w + -3 = 8.544003745 Reorder the terms: -3 + w = 8.544003745 Solving -3 + w = 8.544003745 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + w = 8.544003745 + 3 Combine like terms: -3 + 3 = 0 0 + w = 8.544003745 + 3 w = 8.544003745 + 3 Combine like terms: 8.544003745 + 3 = 11.544003745 w = 11.544003745 Simplifying w = 11.544003745

Subproblem 2

w + -3 = -8.544003745 Simplifying w + -3 = -8.544003745 Reorder the terms: -3 + w = -8.544003745 Solving -3 + w = -8.544003745 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + w = -8.544003745 + 3 Combine like terms: -3 + 3 = 0 0 + w = -8.544003745 + 3 w = -8.544003745 + 3 Combine like terms: -8.544003745 + 3 = -5.544003745 w = -5.544003745 Simplifying w = -5.544003745

Solution

The solution to the problem is based on the solutions from the subproblems. w = {11.544003745, -5.544003745}

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