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-(3/5)u=4
We move all terms to the left:
-(3/5)u-(4)=0
Domain of the equation: 5)u!=0We add all the numbers together, and all the variables
u!=0/1
u!=0
u∈R
-(+3/5)u-4=0
We multiply parentheses
-3u^2-4=0
a = -3; b = 0; c = -4;
Δ = b2-4ac
Δ = 02-4·(-3)·(-4)
Δ = -48
Delta is less than zero, so there is no solution for the equation
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