2.Rozłóż wielomiany na czynniki najniższego stopnia:
a) 6x3 - 9x2=
b) 5x(4-x) +7(x-4)=
c) x3 - 16=
d) 3x3 - 3x2 +x - 1=
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a) 6x³-9x²=3x²(2x-3)
b) 5x(4-x)+7(x-4)=5x(4-x)-7(4-x)=(5x-7)(4-x)
c) x³-16=(x-∛16)(x²+x∛16+(∛16)²)=(x-2∛2)(x²+2x∛2+4∛4)
d) 3x³-3x²+x-1=3x²(x-1)+1(x-1)=(3x²+1)(x-1)