M^2-3=13

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Solution for M^2-3=13 equation: 


Simplifying
M2 + -3 = 13

Reorder the terms:
-3 + M2 = 13

Solving
-3 + M2 = 13

Solving for variable 'M'.

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

Add '3' to each side of the equation.
-3 + 3 + M2 = 13 + 3

Combine like terms: -3 + 3 = 0
0 + M2 = 13 + 3
M2 = 13 + 3

Combine like terms: 13 + 3 = 16
M2 = 16

Simplifying
M2 = 16

Take the square root of each side:
M = {-4, 4}

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