w^2=2-10w

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


Simplifying
w2 = 2 + -10w

Solving
w2 = 2 + -10w

Solving for variable 'w'.

Reorder the terms:
-2 + 10w + w2 = 2 + -10w + -2 + 10w

Reorder the terms:
-2 + 10w + w2 = 2 + -2 + -10w + 10w

Combine like terms: 2 + -2 = 0
-2 + 10w + w2 = 0 + -10w + 10w
-2 + 10w + w2 = -10w + 10w

Combine like terms: -10w + 10w = 0
-2 + 10w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 10w + 2 + w2 = 0 + 2

Reorder the terms:
-2 + 2 + 10w + w2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 10w + w2 = 0 + 2
10w + w2 = 0 + 2

Combine like terms: 0 + 2 = 2
10w + w2 = 2

The w term is 10w.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10w + 25 + w2 = 2 + 25

Reorder the terms:
25 + 10w + w2 = 2 + 25

Combine like terms: 2 + 25 = 27
25 + 10w + w2 = 27

Factor a perfect square on the left side:
(w + 5)(w + 5) = 27

Calculate the square root of the right side: 5.196152423

Break this problem into two subproblems by setting 
(w + 5) equal to 5.196152423 and -5.196152423.

Subproblem 1

w + 5 = 5.196152423 Simplifying w + 5 = 5.196152423 Reorder the terms: 5 + w = 5.196152423 Solving 5 + w = 5.196152423 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + w = 5.196152423 + -5 Combine like terms: 5 + -5 = 0 0 + w = 5.196152423 + -5 w = 5.196152423 + -5 Combine like terms: 5.196152423 + -5 = 0.196152423 w = 0.196152423 Simplifying w = 0.196152423

Subproblem 2

w + 5 = -5.196152423 Simplifying w + 5 = -5.196152423 Reorder the terms: 5 + w = -5.196152423 Solving 5 + w = -5.196152423 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + w = -5.196152423 + -5 Combine like terms: 5 + -5 = 0 0 + w = -5.196152423 + -5 w = -5.196152423 + -5 Combine like terms: -5.196152423 + -5 = -10.196152423 w = -10.196152423 Simplifying w = -10.196152423

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.196152423, -10.196152423}

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