4a^2-1=

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Solution for 4a^2-1= equation: 


Simplifying
4a2 + -1 = 0

Reorder the terms:
-1 + 4a2 = 0

Solving
-1 + 4a2 = 0

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 4a2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 4a2 = 0 + 1
4a2 = 0 + 1

Combine like terms: 0 + 1 = 1
4a2 = 1

Divide each side by '4'.
a2 = 0.25

Simplifying
a2 = 0.25

Take the square root of each side:
a = {-0.5, 0.5}

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