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Simplifying
2a2 + 10 = 68
Reorder the terms:
10 + 2a2 = 68
Solving
10 + 2a2 = 68
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-10' to each side of the equation.
10 + -10 + 2a2 = 68 + -10
Combine like terms: 10 + -10 = 0
0 + 2a2 = 68 + -10
2a2 = 68 + -10
Combine like terms: 68 + -10 = 58
2a2 = 58
Divide each side by '2'.
a2 = 29
Simplifying
a2 = 29
Take the square root of each side:
a = {-5.385164807, 5.385164807}
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