f2=-11

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Solution for f2=-11 equation: 



f2=-11

We move all terms to the left:

f2-(-11)=0

We add all the numbers together, and all the variables

f^2+11=0

a = 1; b = 0; c = +11;
Δ = b2-4ac
Δ = 02-4·1·11
Δ = -44
Delta is less than zero, so there is no solution for the equation

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