14w^2+33w-15=

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Solution for 14w^2+33w-15= equation:


Simplifying
14w2 + 33w + -15 = 0

Reorder the terms:
-15 + 33w + 14w2 = 0

Solving
-15 + 33w + 14w2 = 0

Solving for variable 'w'.

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

Divide each side by '14'.
-1.071428571 + 2.357142857w + w2 = 0

Move the constant term to the right:

Add '1.071428571' to each side of the equation.
-1.071428571 + 2.357142857w + 1.071428571 + w2 = 0 + 1.071428571

Reorder the terms:
-1.071428571 + 1.071428571 + 2.357142857w + w2 = 0 + 1.071428571

Combine like terms: -1.071428571 + 1.071428571 = 0.000000000
0.000000000 + 2.357142857w + w2 = 0 + 1.071428571
2.357142857w + w2 = 0 + 1.071428571

Combine like terms: 0 + 1.071428571 = 1.071428571
2.357142857w + w2 = 1.071428571

The w term is 2.357142857w.  Take half its coefficient (1.178571429).
Square it (1.389030613) and add it to both sides.

Add '1.389030613' to each side of the equation.
2.357142857w + 1.389030613 + w2 = 1.071428571 + 1.389030613

Reorder the terms:
1.389030613 + 2.357142857w + w2 = 1.071428571 + 1.389030613

Combine like terms: 1.071428571 + 1.389030613 = 2.460459184
1.389030613 + 2.357142857w + w2 = 2.460459184

Factor a perfect square on the left side:
(w + 1.178571429)(w + 1.178571429) = 2.460459184

Calculate the square root of the right side: 1.56858509

Break this problem into two subproblems by setting 
(w + 1.178571429) equal to 1.56858509 and -1.56858509.

Subproblem 1

w + 1.178571429 = 1.56858509 Simplifying w + 1.178571429 = 1.56858509 Reorder the terms: 1.178571429 + w = 1.56858509 Solving 1.178571429 + w = 1.56858509 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-1.178571429' to each side of the equation. 1.178571429 + -1.178571429 + w = 1.56858509 + -1.178571429 Combine like terms: 1.178571429 + -1.178571429 = 0.000000000 0.000000000 + w = 1.56858509 + -1.178571429 w = 1.56858509 + -1.178571429 Combine like terms: 1.56858509 + -1.178571429 = 0.390013661 w = 0.390013661 Simplifying w = 0.390013661

Subproblem 2

w + 1.178571429 = -1.56858509 Simplifying w + 1.178571429 = -1.56858509 Reorder the terms: 1.178571429 + w = -1.56858509 Solving 1.178571429 + w = -1.56858509 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-1.178571429' to each side of the equation. 1.178571429 + -1.178571429 + w = -1.56858509 + -1.178571429 Combine like terms: 1.178571429 + -1.178571429 = 0.000000000 0.000000000 + w = -1.56858509 + -1.178571429 w = -1.56858509 + -1.178571429 Combine like terms: -1.56858509 + -1.178571429 = -2.747156519 w = -2.747156519 Simplifying w = -2.747156519

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.390013661, -2.747156519}

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