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-3x^2-14=7x
We move all terms to the left:
-3x^2-14-(7x)=0
a = -3; b = -7; c = -14;
Δ = b2-4ac
Δ = -72-4·(-3)·(-14)
Δ = -119
Delta is less than zero, so there is no solution for the equation
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