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Simplifying
3m2 + -42 = 8
Reorder the terms:
-42 + 3m2 = 8
Solving
-42 + 3m2 = 8
Solving for variable 'm'.
Move all terms containing m to the left, all other terms to the right.
Add '42' to each side of the equation.
-42 + 42 + 3m2 = 8 + 42
Combine like terms: -42 + 42 = 0
0 + 3m2 = 8 + 42
3m2 = 8 + 42
Combine like terms: 8 + 42 = 50
3m2 = 50
Divide each side by '3'.
m2 = 16.66666667
Simplifying
m2 = 16.66666667
Take the square root of each side:
m = {-4.082482905, 4.082482905}
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