75w-2w^2=600

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Solution for 75w-2w^2=600 equation:


Simplifying
75w + -2w2 = 600

Solving
75w + -2w2 = 600

Solving for variable 'w'.

Reorder the terms:
-600 + 75w + -2w2 = 600 + -600

Combine like terms: 600 + -600 = 0
-600 + 75w + -2w2 = 0

Begin completing the square.  Divide all terms by
-2 the coefficient of the squared term: 

Divide each side by '-2'.
300 + -37.5w + w2 = 0

Move the constant term to the right:

Add '-300' to each side of the equation.
300 + -37.5w + -300 + w2 = 0 + -300

Reorder the terms:
300 + -300 + -37.5w + w2 = 0 + -300

Combine like terms: 300 + -300 = 0
0 + -37.5w + w2 = 0 + -300
-37.5w + w2 = 0 + -300

Combine like terms: 0 + -300 = -300
-37.5w + w2 = -300

The w term is -37.5w.  Take half its coefficient (-18.75).
Square it (351.5625) and add it to both sides.

Add '351.5625' to each side of the equation.
-37.5w + 351.5625 + w2 = -300 + 351.5625

Reorder the terms:
351.5625 + -37.5w + w2 = -300 + 351.5625

Combine like terms: -300 + 351.5625 = 51.5625
351.5625 + -37.5w + w2 = 51.5625

Factor a perfect square on the left side:
(w + -18.75)(w + -18.75) = 51.5625

Calculate the square root of the right side: 7.180703308

Break this problem into two subproblems by setting 
(w + -18.75) equal to 7.180703308 and -7.180703308.

Subproblem 1

w + -18.75 = 7.180703308 Simplifying w + -18.75 = 7.180703308 Reorder the terms: -18.75 + w = 7.180703308 Solving -18.75 + w = 7.180703308 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '18.75' to each side of the equation. -18.75 + 18.75 + w = 7.180703308 + 18.75 Combine like terms: -18.75 + 18.75 = 0.00 0.00 + w = 7.180703308 + 18.75 w = 7.180703308 + 18.75 Combine like terms: 7.180703308 + 18.75 = 25.930703308 w = 25.930703308 Simplifying w = 25.930703308

Subproblem 2

w + -18.75 = -7.180703308 Simplifying w + -18.75 = -7.180703308 Reorder the terms: -18.75 + w = -7.180703308 Solving -18.75 + w = -7.180703308 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '18.75' to each side of the equation. -18.75 + 18.75 + w = -7.180703308 + 18.75 Combine like terms: -18.75 + 18.75 = 0.00 0.00 + w = -7.180703308 + 18.75 w = -7.180703308 + 18.75 Combine like terms: -7.180703308 + 18.75 = 11.569296692 w = 11.569296692 Simplifying w = 11.569296692

Solution

The solution to the problem is based on the solutions from the subproblems. w = {25.930703308, 11.569296692}

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