a^2-4b^2=

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


Simplifying
a2 + -4b2 = 0

Solving
a2 + -4b2 = 0

Solving for variable 'a'.

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

Add '4b2' to each side of the equation.
a2 + -4b2 + 4b2 = 0 + 4b2

Combine like terms: -4b2 + 4b2 = 0
a2 + 0 = 0 + 4b2
a2 = 0 + 4b2
Remove the zero:
a2 = 4b2

Simplifying
a2 = 4b2

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

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