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Simplifying
3a2 + -4 = 104
Reorder the terms:
-4 + 3a2 = 104
Solving
-4 + 3a2 = 104
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 3a2 = 104 + 4
Combine like terms: -4 + 4 = 0
0 + 3a2 = 104 + 4
3a2 = 104 + 4
Combine like terms: 104 + 4 = 108
3a2 = 108
Divide each side by '3'.
a2 = 36
Simplifying
a2 = 36
Take the square root of each side:
a = {-6, 6}
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