a^2-5=0

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Solution for a^2-5=0 equation: 


Simplifying
a2 + -5 = 0

Reorder the terms:
-5 + a2 = 0

Solving
-5 + a2 = 0

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + a2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + a2 = 0 + 5
a2 = 0 + 5

Combine like terms: 0 + 5 = 5
a2 = 5

Simplifying
a2 = 5

Take the square root of each side:
a = {-2.236067978, 2.236067978}

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