(2w+15)(2w+10)=250

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Solution for (2w+15)(2w+10)=250 equation:


Simplifying
(2w + 15)(2w + 10) = 250

Reorder the terms:
(15 + 2w)(2w + 10) = 250

Reorder the terms:
(15 + 2w)(10 + 2w) = 250

Multiply (15 + 2w) * (10 + 2w)
(15(10 + 2w) + 2w * (10 + 2w)) = 250
((10 * 15 + 2w * 15) + 2w * (10 + 2w)) = 250
((150 + 30w) + 2w * (10 + 2w)) = 250
(150 + 30w + (10 * 2w + 2w * 2w)) = 250
(150 + 30w + (20w + 4w2)) = 250

Combine like terms: 30w + 20w = 50w
(150 + 50w + 4w2) = 250

Solving
150 + 50w + 4w2 = 250

Solving for variable 'w'.

Reorder the terms:
150 + -250 + 50w + 4w2 = 250 + -250

Combine like terms: 150 + -250 = -100
-100 + 50w + 4w2 = 250 + -250

Combine like terms: 250 + -250 = 0
-100 + 50w + 4w2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-50 + 25w + 2w2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-50 + 25w + 2w2)' equal to zero and attempt to solve: Simplifying -50 + 25w + 2w2 = 0 Solving -50 + 25w + 2w2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -25 + 12.5w + w2 = 0 Move the constant term to the right: Add '25' to each side of the equation. -25 + 12.5w + 25 + w2 = 0 + 25 Reorder the terms: -25 + 25 + 12.5w + w2 = 0 + 25 Combine like terms: -25 + 25 = 0 0 + 12.5w + w2 = 0 + 25 12.5w + w2 = 0 + 25 Combine like terms: 0 + 25 = 25 12.5w + w2 = 25 The w term is 12.5w. Take half its coefficient (6.25). Square it (39.0625) and add it to both sides. Add '39.0625' to each side of the equation. 12.5w + 39.0625 + w2 = 25 + 39.0625 Reorder the terms: 39.0625 + 12.5w + w2 = 25 + 39.0625 Combine like terms: 25 + 39.0625 = 64.0625 39.0625 + 12.5w + w2 = 64.0625 Factor a perfect square on the left side: (w + 6.25)(w + 6.25) = 64.0625 Calculate the square root of the right side: 8.003905297 Break this problem into two subproblems by setting (w + 6.25) equal to 8.003905297 and -8.003905297.

Subproblem 1

w + 6.25 = 8.003905297 Simplifying w + 6.25 = 8.003905297 Reorder the terms: 6.25 + w = 8.003905297 Solving 6.25 + w = 8.003905297 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-6.25' to each side of the equation. 6.25 + -6.25 + w = 8.003905297 + -6.25 Combine like terms: 6.25 + -6.25 = 0.00 0.00 + w = 8.003905297 + -6.25 w = 8.003905297 + -6.25 Combine like terms: 8.003905297 + -6.25 = 1.753905297 w = 1.753905297 Simplifying w = 1.753905297

Subproblem 2

w + 6.25 = -8.003905297 Simplifying w + 6.25 = -8.003905297 Reorder the terms: 6.25 + w = -8.003905297 Solving 6.25 + w = -8.003905297 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-6.25' to each side of the equation. 6.25 + -6.25 + w = -8.003905297 + -6.25 Combine like terms: 6.25 + -6.25 = 0.00 0.00 + w = -8.003905297 + -6.25 w = -8.003905297 + -6.25 Combine like terms: -8.003905297 + -6.25 = -14.253905297 w = -14.253905297 Simplifying w = -14.253905297

Solution

The solution to the problem is based on the solutions from the subproblems. w = {1.753905297, -14.253905297}

Solution

w = {1.753905297, -14.253905297}

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