3w^2+2w=432

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Solution for 3w^2+2w=432 equation:


Simplifying
3w2 + 2w = 432

Reorder the terms:
2w + 3w2 = 432

Solving
2w + 3w2 = 432

Solving for variable 'w'.

Reorder the terms:
-432 + 2w + 3w2 = 432 + -432

Combine like terms: 432 + -432 = 0
-432 + 2w + 3w2 = 0

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

Divide each side by '3'.
-144 + 0.6666666667w + w2 = 0

Move the constant term to the right:

Add '144' to each side of the equation.
-144 + 0.6666666667w + 144 + w2 = 0 + 144

Reorder the terms:
-144 + 144 + 0.6666666667w + w2 = 0 + 144

Combine like terms: -144 + 144 = 0
0 + 0.6666666667w + w2 = 0 + 144
0.6666666667w + w2 = 0 + 144

Combine like terms: 0 + 144 = 144
0.6666666667w + w2 = 144

The w term is 0.6666666667w.  Take half its coefficient (0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
0.6666666667w + 0.1111111112 + w2 = 144 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667w + w2 = 144 + 0.1111111112

Combine like terms: 144 + 0.1111111112 = 144.1111111112
0.1111111112 + 0.6666666667w + w2 = 144.1111111112

Factor a perfect square on the left side:
(w + 0.3333333334)(w + 0.3333333334) = 144.1111111112

Calculate the square root of the right side: 12.004628737

Break this problem into two subproblems by setting 
(w + 0.3333333334) equal to 12.004628737 and -12.004628737.

Subproblem 1

w + 0.3333333334 = 12.004628737 Simplifying w + 0.3333333334 = 12.004628737 Reorder the terms: 0.3333333334 + w = 12.004628737 Solving 0.3333333334 + w = 12.004628737 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + w = 12.004628737 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + w = 12.004628737 + -0.3333333334 w = 12.004628737 + -0.3333333334 Combine like terms: 12.004628737 + -0.3333333334 = 11.6712954036 w = 11.6712954036 Simplifying w = 11.6712954036

Subproblem 2

w + 0.3333333334 = -12.004628737 Simplifying w + 0.3333333334 = -12.004628737 Reorder the terms: 0.3333333334 + w = -12.004628737 Solving 0.3333333334 + w = -12.004628737 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + w = -12.004628737 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + w = -12.004628737 + -0.3333333334 w = -12.004628737 + -0.3333333334 Combine like terms: -12.004628737 + -0.3333333334 = -12.3379620704 w = -12.3379620704 Simplifying w = -12.3379620704

Solution

The solution to the problem is based on the solutions from the subproblems. w = {11.6712954036, -12.3379620704}

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