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q=q^2-10q+50
We move all terms to the left:
q-(q^2-10q+50)=0
We get rid of parentheses
-q^2+q+10q-50=0
We add all the numbers together, and all the variables
-1q^2+11q-50=0
a = -1; b = 11; c = -50;
Δ = b2-4ac
Δ = 112-4·(-1)·(-50)
Δ = -79
Delta is less than zero, so there is no solution for the equation
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