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Simplifying
8a2 + -8 = 728
Reorder the terms:
-8 + 8a2 = 728
Solving
-8 + 8a2 = 728
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '8' to each side of the equation.
-8 + 8 + 8a2 = 728 + 8
Combine like terms: -8 + 8 = 0
0 + 8a2 = 728 + 8
8a2 = 728 + 8
Combine like terms: 728 + 8 = 736
8a2 = 736
Divide each side by '8'.
a2 = 92
Simplifying
a2 = 92
Take the square root of each side:
a = {-9.591663047, 9.591663047}
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