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Simplifying
4m2 + 8 = 72
Reorder the terms:
8 + 4m2 = 72
Solving
8 + 4m2 = 72
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 + 4m2 = 72 + -8
Combine like terms: 8 + -8 = 0
0 + 4m2 = 72 + -8
4m2 = 72 + -8
Combine like terms: 72 + -8 = 64
4m2 = 64
Divide each side by '4'.
m2 = 16
Simplifying
m2 = 16
Take the square root of each side:
m = {-4, 4}
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