96=w(w+2)

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Solution for 96=w(w+2) equation:


Simplifying
96 = w(w + 2)

Reorder the terms:
96 = w(2 + w)
96 = (2 * w + w * w)
96 = (2w + w2)

Solving
96 = 2w + w2

Solving for variable 'w'.

Reorder the terms:
96 + -2w + -1w2 = 2w + -2w + w2 + -1w2

Combine like terms: 2w + -2w = 0
96 + -2w + -1w2 = 0 + w2 + -1w2
96 + -2w + -1w2 = w2 + -1w2

Combine like terms: w2 + -1w2 = 0
96 + -2w + -1w2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-96 + 2w + w2 = 0

Move the constant term to the right:

Add '96' to each side of the equation.
-96 + 2w + 96 + w2 = 0 + 96

Reorder the terms:
-96 + 96 + 2w + w2 = 0 + 96

Combine like terms: -96 + 96 = 0
0 + 2w + w2 = 0 + 96
2w + w2 = 0 + 96

Combine like terms: 0 + 96 = 96
2w + w2 = 96

The w term is 2w.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2w + 1 + w2 = 96 + 1

Reorder the terms:
1 + 2w + w2 = 96 + 1

Combine like terms: 96 + 1 = 97
1 + 2w + w2 = 97

Factor a perfect square on the left side:
(w + 1)(w + 1) = 97

Calculate the square root of the right side: 9.848857802

Break this problem into two subproblems by setting 
(w + 1) equal to 9.848857802 and -9.848857802.

Subproblem 1

w + 1 = 9.848857802 Simplifying w + 1 = 9.848857802 Reorder the terms: 1 + w = 9.848857802 Solving 1 + w = 9.848857802 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + w = 9.848857802 + -1 Combine like terms: 1 + -1 = 0 0 + w = 9.848857802 + -1 w = 9.848857802 + -1 Combine like terms: 9.848857802 + -1 = 8.848857802 w = 8.848857802 Simplifying w = 8.848857802

Subproblem 2

w + 1 = -9.848857802 Simplifying w + 1 = -9.848857802 Reorder the terms: 1 + w = -9.848857802 Solving 1 + w = -9.848857802 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + w = -9.848857802 + -1 Combine like terms: 1 + -1 = 0 0 + w = -9.848857802 + -1 w = -9.848857802 + -1 Combine like terms: -9.848857802 + -1 = -10.848857802 w = -10.848857802 Simplifying w = -10.848857802

Solution

The solution to the problem is based on the solutions from the subproblems. w = {8.848857802, -10.848857802}

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