4a^2-12=22

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Solution for 4a^2-12=22 equation: 


Simplifying
4a2 + -12 = 22

Reorder the terms:
-12 + 4a2 = 22

Solving
-12 + 4a2 = 22

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 4a2 = 22 + 12

Combine like terms: -12 + 12 = 0
0 + 4a2 = 22 + 12
4a2 = 22 + 12

Combine like terms: 22 + 12 = 34
4a2 = 34

Divide each side by '4'.
a2 = 8.5

Simplifying
a2 = 8.5

Take the square root of each side:
a = {-2.915475947, 2.915475947}

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