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Simplifying
10a2 + 8 = 868
Reorder the terms:
8 + 10a2 = 868
Solving
8 + 10a2 = 868
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 + 10a2 = 868 + -8
Combine like terms: 8 + -8 = 0
0 + 10a2 = 868 + -8
10a2 = 868 + -8
Combine like terms: 868 + -8 = 860
10a2 = 860
Divide each side by '10'.
a2 = 86
Simplifying
a2 = 86
Take the square root of each side:
a = {-9.273618495, 9.273618495}
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