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Simplifying
320 = w2 + 4
Reorder the terms:
320 = 4 + w2
Solving
320 = 4 + w2
Solving for variable 'w'.
Move all terms containing w to the left, all other terms to the right.
Add '-1w2' to each side of the equation.
320 + -1w2 = 4 + w2 + -1w2
Combine like terms: w2 + -1w2 = 0
320 + -1w2 = 4 + 0
320 + -1w2 = 4
Add '-320' to each side of the equation.
320 + -320 + -1w2 = 4 + -320
Combine like terms: 320 + -320 = 0
0 + -1w2 = 4 + -320
-1w2 = 4 + -320
Combine like terms: 4 + -320 = -316
-1w2 = -316
Divide each side by '-1'.
w2 = 316
Simplifying
w2 = 316
Take the square root of each side:
w = {-17.776388835, 17.776388835}
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