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4x-3x^2=4
We move all terms to the left:
4x-3x^2-(4)=0
a = -3; b = 4; c = -4;
Δ = b2-4ac
Δ = 42-4·(-3)·(-4)
Δ = -32
Delta is less than zero, so there is no solution for the equation
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