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Simplifying
10m2 + -2 = 78
Reorder the terms:
-2 + 10m2 = 78
Solving
-2 + 10m2 = 78
Solving for variable 'm'.
Move all terms containing m to the left, all other terms to the right.
Add '2' to each side of the equation.
-2 + 2 + 10m2 = 78 + 2
Combine like terms: -2 + 2 = 0
0 + 10m2 = 78 + 2
10m2 = 78 + 2
Combine like terms: 78 + 2 = 80
10m2 = 80
Divide each side by '10'.
m2 = 8
Simplifying
m2 = 8
Take the square root of each side:
m = {-2.828427125, 2.828427125}
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