2a^2-2=-20

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Solution for 2a^2-2=-20 equation:


Simplifying
2a2 + -2 = -20

Reorder the terms:
-2 + 2a2 = -20

Solving
-2 + 2a2 = -20

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + 2a2 = -20 + 2

Combine like terms: -2 + 2 = 0
0 + 2a2 = -20 + 2
2a2 = -20 + 2

Combine like terms: -20 + 2 = -18
2a2 = -18

Divide each side by '2'.
a2 = -9

Simplifying
a2 = -9

Reorder the terms:
9 + a2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + a2 = 0

The solution to this equation could not be determined.

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