w^2-4w=350

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Solution for w^2-4w=350 equation:


Simplifying
w2 + -4w = 350

Reorder the terms:
-4w + w2 = 350

Solving
-4w + w2 = 350

Solving for variable 'w'.

Reorder the terms:
-350 + -4w + w2 = 350 + -350

Combine like terms: 350 + -350 = 0
-350 + -4w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '350' to each side of the equation.
-350 + -4w + 350 + w2 = 0 + 350

Reorder the terms:
-350 + 350 + -4w + w2 = 0 + 350

Combine like terms: -350 + 350 = 0
0 + -4w + w2 = 0 + 350
-4w + w2 = 0 + 350

Combine like terms: 0 + 350 = 350
-4w + w2 = 350

The w term is -4w.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4w + 4 + w2 = 350 + 4

Reorder the terms:
4 + -4w + w2 = 350 + 4

Combine like terms: 350 + 4 = 354
4 + -4w + w2 = 354

Factor a perfect square on the left side:
(w + -2)(w + -2) = 354

Calculate the square root of the right side: 18.814887722

Break this problem into two subproblems by setting 
(w + -2) equal to 18.814887722 and -18.814887722.

Subproblem 1

w + -2 = 18.814887722 Simplifying w + -2 = 18.814887722 Reorder the terms: -2 + w = 18.814887722 Solving -2 + w = 18.814887722 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + w = 18.814887722 + 2 Combine like terms: -2 + 2 = 0 0 + w = 18.814887722 + 2 w = 18.814887722 + 2 Combine like terms: 18.814887722 + 2 = 20.814887722 w = 20.814887722 Simplifying w = 20.814887722

Subproblem 2

w + -2 = -18.814887722 Simplifying w + -2 = -18.814887722 Reorder the terms: -2 + w = -18.814887722 Solving -2 + w = -18.814887722 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + w = -18.814887722 + 2 Combine like terms: -2 + 2 = 0 0 + w = -18.814887722 + 2 w = -18.814887722 + 2 Combine like terms: -18.814887722 + 2 = -16.814887722 w = -16.814887722 Simplifying w = -16.814887722

Solution

The solution to the problem is based on the solutions from the subproblems. w = {20.814887722, -16.814887722}

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