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Simplifying
3w2 + 15 = 99
Reorder the terms:
15 + 3w2 = 99
Solving
15 + 3w2 = 99
Solving for variable 'w'.
Move all terms containing w to the left, all other terms to the right.
Add '-15' to each side of the equation.
15 + -15 + 3w2 = 99 + -15
Combine like terms: 15 + -15 = 0
0 + 3w2 = 99 + -15
3w2 = 99 + -15
Combine like terms: 99 + -15 = 84
3w2 = 84
Divide each side by '3'.
w2 = 28
Simplifying
w2 = 28
Take the square root of each side:
w = {-5.291502622, 5.291502622}
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