7m^2-84=0

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Solution for 7m^2-84=0 equation:


Simplifying
7m2 + -84 = 0

Reorder the terms:
-84 + 7m2 = 0

Solving
-84 + 7m2 = 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 + 7m2 = 0 + 84

Combine like terms: -84 + 84 = 0
0 + 7m2 = 0 + 84
7m2 = 0 + 84

Combine like terms: 0 + 84 = 84
7m2 = 84

Divide each side by '7'.
m2 = 12

Simplifying
m2 = 12

Take the square root of each side:
m = {-3.464101615, 3.464101615}

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