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Simplifying
a2 + 100 = 225
Reorder the terms:
100 + a2 = 225
Solving
100 + a2 = 225
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-100' to each side of the equation.
100 + -100 + a2 = 225 + -100
Combine like terms: 100 + -100 = 0
0 + a2 = 225 + -100
a2 = 225 + -100
Combine like terms: 225 + -100 = 125
a2 = 125
Simplifying
a2 = 125
Take the square root of each side:
a = {-11.180339887, 11.180339887}
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