4a^2-8=8

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Solution for 4a^2-8=8 equation: 


Simplifying
4a2 + -8 = 8

Reorder the terms:
-8 + 4a2 = 8

Solving
-8 + 4a2 = 8

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 + 4a2 = 8 + 8

Combine like terms: -8 + 8 = 0
0 + 4a2 = 8 + 8
4a2 = 8 + 8

Combine like terms: 8 + 8 = 16
4a2 = 16

Divide each side by '4'.
a2 = 4

Simplifying
a2 = 4

Take the square root of each side:
a = {-2, 2}

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