-e^2+4f^2=

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Solution for -e^2+4f^2= equation: 


Simplifying
-1e2 + 4f2 = 0

Solving
-1e2 + 4f2 = 0

Solving for variable 'e'.

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

Add '-4f2' to each side of the equation.
-1e2 + 4f2 + -4f2 = 0 + -4f2

Combine like terms: 4f2 + -4f2 = 0
-1e2 + 0 = 0 + -4f2
-1e2 = 0 + -4f2
Remove the zero:
-1e2 = -4f2

Divide each side by '-1'.
e2 = 4f2

Simplifying
e2 = 4f2

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

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