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Simplifying
4a2 + -9 = 127
Reorder the terms:
-9 + 4a2 = 127
Solving
-9 + 4a2 = 127
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 + 4a2 = 127 + 9
Combine like terms: -9 + 9 = 0
0 + 4a2 = 127 + 9
4a2 = 127 + 9
Combine like terms: 127 + 9 = 136
4a2 = 136
Divide each side by '4'.
a2 = 34
Simplifying
a2 = 34
Take the square root of each side:
a = {-5.830951895, 5.830951895}
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