(w+5)(w-2)=36100

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Solution for (w+5)(w-2)=36100 equation:


Simplifying
(w + 5)(w + -2) = 36100

Reorder the terms:
(5 + w)(w + -2) = 36100

Reorder the terms:
(5 + w)(-2 + w) = 36100

Multiply (5 + w) * (-2 + w)
(5(-2 + w) + w(-2 + w)) = 36100
((-2 * 5 + w * 5) + w(-2 + w)) = 36100
((-10 + 5w) + w(-2 + w)) = 36100
(-10 + 5w + (-2 * w + w * w)) = 36100
(-10 + 5w + (-2w + w2)) = 36100

Combine like terms: 5w + -2w = 3w
(-10 + 3w + w2) = 36100

Solving
-10 + 3w + w2 = 36100

Solving for variable 'w'.

Reorder the terms:
-10 + -36100 + 3w + w2 = 36100 + -36100

Combine like terms: -10 + -36100 = -36110
-36110 + 3w + w2 = 36100 + -36100

Combine like terms: 36100 + -36100 = 0
-36110 + 3w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '36110' to each side of the equation.
-36110 + 3w + 36110 + w2 = 0 + 36110

Reorder the terms:
-36110 + 36110 + 3w + w2 = 0 + 36110

Combine like terms: -36110 + 36110 = 0
0 + 3w + w2 = 0 + 36110
3w + w2 = 0 + 36110

Combine like terms: 0 + 36110 = 36110
3w + w2 = 36110

The w term is 3w.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3w + 2.25 + w2 = 36110 + 2.25

Reorder the terms:
2.25 + 3w + w2 = 36110 + 2.25

Combine like terms: 36110 + 2.25 = 36112.25
2.25 + 3w + w2 = 36112.25

Factor a perfect square on the left side:
(w + 1.5)(w + 1.5) = 36112.25

Calculate the square root of the right side: 190.032234108

Break this problem into two subproblems by setting 
(w + 1.5) equal to 190.032234108 and -190.032234108.

Subproblem 1

w + 1.5 = 190.032234108 Simplifying w + 1.5 = 190.032234108 Reorder the terms: 1.5 + w = 190.032234108 Solving 1.5 + w = 190.032234108 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + w = 190.032234108 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + w = 190.032234108 + -1.5 w = 190.032234108 + -1.5 Combine like terms: 190.032234108 + -1.5 = 188.532234108 w = 188.532234108 Simplifying w = 188.532234108

Subproblem 2

w + 1.5 = -190.032234108 Simplifying w + 1.5 = -190.032234108 Reorder the terms: 1.5 + w = -190.032234108 Solving 1.5 + w = -190.032234108 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + w = -190.032234108 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + w = -190.032234108 + -1.5 w = -190.032234108 + -1.5 Combine like terms: -190.032234108 + -1.5 = -191.532234108 w = -191.532234108 Simplifying w = -191.532234108

Solution

The solution to the problem is based on the solutions from the subproblems. w = {188.532234108, -191.532234108}

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