w^2+16w+48=320

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Solution for w^2+16w+48=320 equation:


Simplifying
w2 + 16w + 48 = 320

Reorder the terms:
48 + 16w + w2 = 320

Solving
48 + 16w + w2 = 320

Solving for variable 'w'.

Reorder the terms:
48 + -320 + 16w + w2 = 320 + -320

Combine like terms: 48 + -320 = -272
-272 + 16w + w2 = 320 + -320

Combine like terms: 320 + -320 = 0
-272 + 16w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '272' to each side of the equation.
-272 + 16w + 272 + w2 = 0 + 272

Reorder the terms:
-272 + 272 + 16w + w2 = 0 + 272

Combine like terms: -272 + 272 = 0
0 + 16w + w2 = 0 + 272
16w + w2 = 0 + 272

Combine like terms: 0 + 272 = 272
16w + w2 = 272

The w term is 16w.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16w + 64 + w2 = 272 + 64

Reorder the terms:
64 + 16w + w2 = 272 + 64

Combine like terms: 272 + 64 = 336
64 + 16w + w2 = 336

Factor a perfect square on the left side:
(w + 8)(w + 8) = 336

Calculate the square root of the right side: 18.33030278

Break this problem into two subproblems by setting 
(w + 8) equal to 18.33030278 and -18.33030278.

Subproblem 1

w + 8 = 18.33030278 Simplifying w + 8 = 18.33030278 Reorder the terms: 8 + w = 18.33030278 Solving 8 + w = 18.33030278 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + w = 18.33030278 + -8 Combine like terms: 8 + -8 = 0 0 + w = 18.33030278 + -8 w = 18.33030278 + -8 Combine like terms: 18.33030278 + -8 = 10.33030278 w = 10.33030278 Simplifying w = 10.33030278

Subproblem 2

w + 8 = -18.33030278 Simplifying w + 8 = -18.33030278 Reorder the terms: 8 + w = -18.33030278 Solving 8 + w = -18.33030278 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + w = -18.33030278 + -8 Combine like terms: 8 + -8 = 0 0 + w = -18.33030278 + -8 w = -18.33030278 + -8 Combine like terms: -18.33030278 + -8 = -26.33030278 w = -26.33030278 Simplifying w = -26.33030278

Solution

The solution to the problem is based on the solutions from the subproblems. w = {10.33030278, -26.33030278}

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