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Simplifying
84 = 3w2
Solving
84 = 3w2
Solving for variable 'w'.
Move all terms containing w to the left, all other terms to the right.
Add '-3w2' to each side of the equation.
84 + -3w2 = 3w2 + -3w2
Combine like terms: 3w2 + -3w2 = 0
84 + -3w2 = 0
Add '-84' to each side of the equation.
84 + -84 + -3w2 = 0 + -84
Combine like terms: 84 + -84 = 0
0 + -3w2 = 0 + -84
-3w2 = 0 + -84
Combine like terms: 0 + -84 = -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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