a^2+9=45

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Solution for a^2+9=45 equation: 


Simplifying
a2 + 9 = 45

Reorder the terms:
9 + a2 = 45

Solving
9 + a2 = 45

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + a2 = 45 + -9

Combine like terms: 9 + -9 = 0
0 + a2 = 45 + -9
a2 = 45 + -9

Combine like terms: 45 + -9 = 36
a2 = 36

Simplifying
a2 = 36

Take the square root of each side:
a = {-6, 6}

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