w^2-8w-10=

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Solution for w^2-8w-10= equation:


Simplifying
w2 + -8w + -10 = 0

Reorder the terms:
-10 + -8w + w2 = 0

Solving
-10 + -8w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -8w + 10 + w2 = 0 + 10

Reorder the terms:
-10 + 10 + -8w + w2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -8w + w2 = 0 + 10
-8w + w2 = 0 + 10

Combine like terms: 0 + 10 = 10
-8w + w2 = 10

The w term is -8w.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8w + 16 + w2 = 10 + 16

Reorder the terms:
16 + -8w + w2 = 10 + 16

Combine like terms: 10 + 16 = 26
16 + -8w + w2 = 26

Factor a perfect square on the left side:
(w + -4)(w + -4) = 26

Calculate the square root of the right side: 5.099019514

Break this problem into two subproblems by setting 
(w + -4) equal to 5.099019514 and -5.099019514.

Subproblem 1

w + -4 = 5.099019514 Simplifying w + -4 = 5.099019514 Reorder the terms: -4 + w = 5.099019514 Solving -4 + w = 5.099019514 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + w = 5.099019514 + 4 Combine like terms: -4 + 4 = 0 0 + w = 5.099019514 + 4 w = 5.099019514 + 4 Combine like terms: 5.099019514 + 4 = 9.099019514 w = 9.099019514 Simplifying w = 9.099019514

Subproblem 2

w + -4 = -5.099019514 Simplifying w + -4 = -5.099019514 Reorder the terms: -4 + w = -5.099019514 Solving -4 + w = -5.099019514 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + w = -5.099019514 + 4 Combine like terms: -4 + 4 = 0 0 + w = -5.099019514 + 4 w = -5.099019514 + 4 Combine like terms: -5.099019514 + 4 = -1.099019514 w = -1.099019514 Simplifying w = -1.099019514

Solution

The solution to the problem is based on the solutions from the subproblems. w = {9.099019514, -1.099019514}

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