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Simplifying
2v2 + 4 = 140
Reorder the terms:
4 + 2v2 = 140
Solving
4 + 2v2 = 140
Solving for variable 'v'.
Move all terms containing v to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 2v2 = 140 + -4
Combine like terms: 4 + -4 = 0
0 + 2v2 = 140 + -4
2v2 = 140 + -4
Combine like terms: 140 + -4 = 136
2v2 = 136
Divide each side by '2'.
v2 = 68
Simplifying
v2 = 68
Take the square root of each side:
v = {-8.246211251, 8.246211251}
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