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0.8x^2+30=8x
We move all terms to the left:
0.8x^2+30-(8x)=0
a = 0.8; b = -8; c = +30;
Δ = b2-4ac
Δ = -82-4·0.8·30
Δ = -32
Delta is less than zero, so there is no solution for the equation
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