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140x^2+80=80x^2+20
We move all terms to the left:
140x^2+80-(80x^2+20)=0
We get rid of parentheses
140x^2-80x^2-20+80=0
We add all the numbers together, and all the variables
60x^2+60=0
a = 60; b = 0; c = +60;
Δ = b2-4ac
Δ = 02-4·60·60
Δ = -14400
Delta is less than zero, so there is no solution for the equation
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