4w^2-20+21=0

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Solution for 4w^2-20+21=0 equation: 



4w^2-20+21=0

We add all the numbers together, and all the variables

4w^2+1=0

a = 4; b = 0; c = +1;
Δ = b2-4ac
Δ = 02-4·4·1
Δ = -16
Delta is less than zero, so there is no solution for the equation

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