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Simplifying
2m2 + 8 = 140
Reorder the terms:
8 + 2m2 = 140
Solving
8 + 2m2 = 140
Solving for variable 'm'.
Move all terms containing m to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + 2m2 = 140 + -8
Combine like terms: 8 + -8 = 0
0 + 2m2 = 140 + -8
2m2 = 140 + -8
Combine like terms: 140 + -8 = 132
2m2 = 132
Divide each side by '2'.
m2 = 66
Simplifying
m2 = 66
Take the square root of each side:
m = {-8.124038405, 8.124038405}
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