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210x+840/x=
We move all terms to the left:
210x+840/x-()=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
210x+840/x=0
We multiply all the terms by the denominator
210x*x+840=0
Wy multiply elements
210x^2+840=0
a = 210; b = 0; c = +840;
Δ = b2-4ac
Δ = 02-4·210·840
Δ = -705600
Delta is less than zero, so there is no solution for the equation
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