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0.4x-0.2x(3-x)=3.3
We move all terms to the left:
0.4x-0.2x(3-x)-(3.3)=0
We add all the numbers together, and all the variables
0.4x-0.2x(-1x+3)-(3.3)=0
We add all the numbers together, and all the variables
0.4x-0.2x(-1x+3)-3.3=0
We multiply parentheses
-0x^2+0.4x-0x-3.3=0
We add all the numbers together, and all the variables
-1x^2-0.6x-3.3=0
a = -1; b = -0.6; c = -3.3;
Δ = b2-4ac
Δ = -0.62-4·(-1)·(-3.3)
Δ = -12.84
Delta is less than zero, so there is no solution for the equation
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