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40x=6x^2+70
We move all terms to the left:
40x-(6x^2+70)=0
We get rid of parentheses
-6x^2+40x-70=0
a = -6; b = 40; c = -70;
Δ = b2-4ac
Δ = 402-4·(-6)·(-70)
Δ = -80
Delta is less than zero, so there is no solution for the equation
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