Wyznacz a . (x)=x3(do potęgi3)+ax2(do potęgi2)+6x-9
pod x podstawić 3
27+a*9+6*3-927+9*a+99a+27+99a+36
a=-4
3=27+a*9+18-9
3=36+9a /-36
-33=9a /:9
a=-9/33
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27+a*9+6*3-9
27+9*a+9
9a+27+9
9a+36
a=-4
3=27+a*9+18-9
3=36+9a /-36
-33=9a /:9
a=-9/33