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5x*x-104x+620=0
We add all the numbers together, and all the variables
-104x+5x*x+620=0
Wy multiply elements
5x^2-104x+620=0
a = 5; b = -104; c = +620;
Δ = b2-4ac
Δ = -1042-4·5·620
Δ = -1584
Delta is less than zero, so there is no solution for the equation
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