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Simplifying
3v2 + -84 = 0
Reorder the terms:
-84 + 3v2 = 0
Solving
-84 + 3v2 = 0
Solving for variable 'v'.
Move all terms containing v to the left, all other terms to the right.
Add '84' to each side of the equation.
-84 + 84 + 3v2 = 0 + 84
Combine like terms: -84 + 84 = 0
0 + 3v2 = 0 + 84
3v2 = 0 + 84
Combine like terms: 0 + 84 = 84
3v2 = 84
Divide each side by '3'.
v2 = 28
Simplifying
v2 = 28
Take the square root of each side:
v = {-5.291502622, 5.291502622}
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