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3.8x(-1-9.7x)=2.86+13.3x
We move all terms to the left:
3.8x(-1-9.7x)-(2.86+13.3x)=0
We add all the numbers together, and all the variables
3.8x(-9.7x-1)-(13.3x+2.86)=0
We multiply parentheses
-27x^2-3x-(13.3x+2.86)=0
We get rid of parentheses
-27x^2-3x-13.3x-2.86=0
We add all the numbers together, and all the variables
-27x^2-16.3x-2.86=0
a = -27; b = -16.3; c = -2.86;
Δ = b2-4ac
Δ = -16.32-4·(-27)·(-2.86)
Δ = -43.19
Delta is less than zero, so there is no solution for the equation
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