4f^2-16=0

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Solution for 4f^2-16=0 equation: 


Simplifying
4f2 + -16 = 0

Reorder the terms:
-16 + 4f2 = 0

Solving
-16 + 4f2 = 0

Solving for variable 'f'.

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

Add '16' to each side of the equation.
-16 + 16 + 4f2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 4f2 = 0 + 16
4f2 = 0 + 16

Combine like terms: 0 + 16 = 16
4f2 = 16

Divide each side by '4'.
f2 = 4

Simplifying
f2 = 4

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

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