a*a+5=86

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Solution for a*a+5=86 equation: 


Simplifying
a * a + 5 = 86

Multiply a * a
a2 + 5 = 86

Reorder the terms:
5 + a2 = 86

Solving
5 + a2 = 86

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 = 86 + -5

Combine like terms: 5 + -5 = 0
0 + a2 = 86 + -5
a2 = 86 + -5

Combine like terms: 86 + -5 = 81
a2 = 81

Simplifying
a2 = 81

Take the square root of each side:
a = {-9, 9}

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