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-0.5x(x-2.4)=6
We move all terms to the left:
-0.5x(x-2.4)-(6)=0
We multiply parentheses
-0x^2+0x-6=0
We add all the numbers together, and all the variables
-1x^2+x-6=0
a = -1; b = 1; c = -6;
Δ = b2-4ac
Δ = 12-4·(-1)·(-6)
Δ = -23
Delta is less than zero, so there is no solution for the equation
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