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x=3.3x(1-x)
We move all terms to the left:
x-(3.3x(1-x))=0
We add all the numbers together, and all the variables
x-(3.3x(-1x+1))=0
We calculate terms in parentheses: -(3.3x(-1x+1)), so:We get rid of parentheses
3.3x(-1x+1)
We multiply parentheses
-3x^2+3x
Back to the equation:
-(-3x^2+3x)
3x^2-3x+x=0
We add all the numbers together, and all the variables
3x^2-2x=0
a = 3; b = -2; c = 0;
Δ = b2-4ac
Δ = -22-4·3·0
Δ = 4
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{4}=2$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-2)-2}{2*3}=\frac{0}{6} =0 $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-2)+2}{2*3}=\frac{4}{6} =2/3 $
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