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Simplifying
80v2 + -125 = 0
Reorder the terms:
-125 + 80v2 = 0
Solving
-125 + 80v2 = 0
Solving for variable 'v'.
Move all terms containing v to the left, all other terms to the right.
Add '125' to each side of the equation.
-125 + 125 + 80v2 = 0 + 125
Combine like terms: -125 + 125 = 0
0 + 80v2 = 0 + 125
80v2 = 0 + 125
Combine like terms: 0 + 125 = 125
80v2 = 125
Divide each side by '80'.
v2 = 1.5625
Simplifying
v2 = 1.5625
Take the square root of each side:
v = {-1.25, 1.25}
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