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Simplifying
9a2 + -8 = 622
Reorder the terms:
-8 + 9a2 = 622
Solving
-8 + 9a2 = 622
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 + 9a2 = 622 + 8
Combine like terms: -8 + 8 = 0
0 + 9a2 = 622 + 8
9a2 = 622 + 8
Combine like terms: 622 + 8 = 630
9a2 = 630
Divide each side by '9'.
a2 = 70
Simplifying
a2 = 70
Take the square root of each side:
a = {-8.366600265, 8.366600265}
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