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Simplifying
5a2 + -9 = 236
Reorder the terms:
-9 + 5a2 = 236
Solving
-9 + 5a2 = 236
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 + 5a2 = 236 + 9
Combine like terms: -9 + 9 = 0
0 + 5a2 = 236 + 9
5a2 = 236 + 9
Combine like terms: 236 + 9 = 245
5a2 = 245
Divide each side by '5'.
a2 = 49
Simplifying
a2 = 49
Take the square root of each side:
a = {-7, 7}
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