4w^2+29w-30=0

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Solution for 4w^2+29w-30=0 equation:


Simplifying
4w2 + 29w + -30 = 0

Reorder the terms:
-30 + 29w + 4w2 = 0

Solving
-30 + 29w + 4w2 = 0

Solving for variable 'w'.

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

Divide each side by '4'.
-7.5 + 7.25w + w2 = 0

Move the constant term to the right:

Add '7.5' to each side of the equation.
-7.5 + 7.25w + 7.5 + w2 = 0 + 7.5

Reorder the terms:
-7.5 + 7.5 + 7.25w + w2 = 0 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + 7.25w + w2 = 0 + 7.5
7.25w + w2 = 0 + 7.5

Combine like terms: 0 + 7.5 = 7.5
7.25w + w2 = 7.5

The w term is 7.25w.  Take half its coefficient (3.625).
Square it (13.140625) and add it to both sides.

Add '13.140625' to each side of the equation.
7.25w + 13.140625 + w2 = 7.5 + 13.140625

Reorder the terms:
13.140625 + 7.25w + w2 = 7.5 + 13.140625

Combine like terms: 7.5 + 13.140625 = 20.640625
13.140625 + 7.25w + w2 = 20.640625

Factor a perfect square on the left side:
(w + 3.625)(w + 3.625) = 20.640625

Calculate the square root of the right side: 4.543195461

Break this problem into two subproblems by setting 
(w + 3.625) equal to 4.543195461 and -4.543195461.

Subproblem 1

w + 3.625 = 4.543195461 Simplifying w + 3.625 = 4.543195461 Reorder the terms: 3.625 + w = 4.543195461 Solving 3.625 + w = 4.543195461 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-3.625' to each side of the equation. 3.625 + -3.625 + w = 4.543195461 + -3.625 Combine like terms: 3.625 + -3.625 = 0.000 0.000 + w = 4.543195461 + -3.625 w = 4.543195461 + -3.625 Combine like terms: 4.543195461 + -3.625 = 0.918195461 w = 0.918195461 Simplifying w = 0.918195461

Subproblem 2

w + 3.625 = -4.543195461 Simplifying w + 3.625 = -4.543195461 Reorder the terms: 3.625 + w = -4.543195461 Solving 3.625 + w = -4.543195461 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-3.625' to each side of the equation. 3.625 + -3.625 + w = -4.543195461 + -3.625 Combine like terms: 3.625 + -3.625 = 0.000 0.000 + w = -4.543195461 + -3.625 w = -4.543195461 + -3.625 Combine like terms: -4.543195461 + -3.625 = -8.168195461 w = -8.168195461 Simplifying w = -8.168195461

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.918195461, -8.168195461}

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