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=1/2Q+15.Q
We move all terms to the left:
-(1/2Q+15.Q)=0
Domain of the equation: 2Q+15.Q)!=0We add all the numbers together, and all the variables
Q∈R
-(+15.Q+1/2Q)=0
We get rid of parentheses
-15.Q-1/2Q=0
We multiply all the terms by the denominator
-(15.Q)*2Q-1=0
We add all the numbers together, and all the variables
-(+15.Q)*2Q-1=0
We multiply parentheses
-30Q^2-1=0
a = -30; b = 0; c = -1;
Δ = b2-4ac
Δ = 02-4·(-30)·(-1)
Δ = -120
Delta is less than zero, so there is no solution for the equation
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