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Simplifying
3a2 + 4 = 58
Reorder the terms:
4 + 3a2 = 58
Solving
4 + 3a2 = 58
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 = 58 + -4
Combine like terms: 4 + -4 = 0
0 + 3a2 = 58 + -4
3a2 = 58 + -4
Combine like terms: 58 + -4 = 54
3a2 = 54
Divide each side by '3'.
a2 = 18
Simplifying
a2 = 18
Take the square root of each side:
a = {-4.242640687, 4.242640687}
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