rozłóż na czynniki wielomiany metodą grupowania wyrazów :
g) W(x)=-4x^3+2x^2-6x+3
e) W(x)= 3x^3-7x^2-27x+63
h) W(x)=-12x^3-32x^2+3x+8
błagam. ;<
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g) W(x)=-4x^3-6x+2x^2+3=-2x(2x^2+3)+2x^2+3=(2x^2+3)(-2x+1)
h) W(x)=3x^3-27x-7x^2+63=3x(x^2-9)-7(x^2-9)=(x^2-9)(3x-7)
i) W(x)=-4x^2(3x+8)+3x+8=(3x+8)(-4x^2+1)