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Simplifying
2a2 + -10 = 0
Reorder the terms:
-10 + 2a2 = 0
Solving
-10 + 2a2 = 0
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 = 0 + 10
Combine like terms: -10 + 10 = 0
0 + 2a2 = 0 + 10
2a2 = 0 + 10
Combine like terms: 0 + 10 = 10
2a2 = 10
Divide each side by '2'.
a2 = 5
Simplifying
a2 = 5
Take the square root of each side:
a = {-2.236067978, 2.236067978}
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