b^2-4ac=4

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


Simplifying
b2 + -4ac = 4

Reorder the terms:
-4ac + b2 = 4

Solving
-4ac + b2 = 4

Solving for variable 'a'.

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

Add '-1b2' to each side of the equation.
-4ac + b2 + -1b2 = 4 + -1b2

Combine like terms: b2 + -1b2 = 0
-4ac + 0 = 4 + -1b2
-4ac = 4 + -1b2

Divide each side by '-4c'.
a = -1c-1 + 0.25b2c-1

Simplifying
a = -1c-1 + 0.25b2c-1

Reorder the terms:
a = 0.25b2c-1 + -1c-1

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