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16x-4x^2=30
We move all terms to the left:
16x-4x^2-(30)=0
a = -4; b = 16; c = -30;
Δ = b2-4ac
Δ = 162-4·(-4)·(-30)
Δ = -224
Delta is less than zero, so there is no solution for the equation
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