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Simplifying
84 + -12m2 = 0
Solving
84 + -12m2 = 0
Solving for variable 'm'.
Move all terms containing m to the left, all other terms to the right.
Add '-84' to each side of the equation.
84 + -84 + -12m2 = 0 + -84
Combine like terms: 84 + -84 = 0
0 + -12m2 = 0 + -84
-12m2 = 0 + -84
Combine like terms: 0 + -84 = -84
-12m2 = -84
Divide each side by '-12'.
m2 = 7
Simplifying
m2 = 7
Take the square root of each side:
m = {-2.645751311, 2.645751311}
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