a^2+39=40

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Solution for a^2+39=40 equation: 


Simplifying
a2 + 39 = 40

Reorder the terms:
39 + a2 = 40

Solving
39 + a2 = 40

Solving for variable 'a'.

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

Add '-39' to each side of the equation.
39 + -39 + a2 = 40 + -39

Combine like terms: 39 + -39 = 0
0 + a2 = 40 + -39
a2 = 40 + -39

Combine like terms: 40 + -39 = 1
a2 = 1

Simplifying
a2 = 1

Take the square root of each side:
a = {-1, 1}

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