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-0.3x(x-8)=0.9
We move all terms to the left:
-0.3x(x-8)-(0.9)=0
We add all the numbers together, and all the variables
-0.3x(x-8)-0.9=0
We multiply parentheses
-0x^2-0x-0.9=0
We add all the numbers together, and all the variables
-1x^2-1x-0.9=0
a = -1; b = -1; c = -0.9;
Δ = b2-4ac
Δ = -12-4·(-1)·(-0.9)
Δ = -2.6
Delta is less than zero, so there is no solution for the equation
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