M^2-28=-8

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Solution for M^2-28=-8 equation: 


Simplifying
M2 + -28 = -8

Reorder the terms:
-28 + M2 = -8

Solving
-28 + M2 = -8

Solving for variable 'M'.

Move all terms containing M to the left, all other terms to the right.

Add '28' to each side of the equation.
-28 + 28 + M2 = -8 + 28

Combine like terms: -28 + 28 = 0
0 + M2 = -8 + 28
M2 = -8 + 28

Combine like terms: -8 + 28 = 20
M2 = 20

Simplifying
M2 = 20

Take the square root of each side:
M = {-4.472135955, 4.472135955}

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