4f^2=-40

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Solution for 4f^2=-40 equation: 



4f^2=-40

We move all terms to the left:

4f^2-(-40)=0

We add all the numbers together, and all the variables

4f^2+40=0

a = 4; b = 0; c = +40;
Δ = b2-4ac
Δ = 02-4·4·40
Δ = -640
Delta is less than zero, so there is no solution for the equation

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