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W(x)=x^4(x²-3)-1(x²-3)
w(x)=(x^4-1)(x²-3)
W(x)=(x^4-1)(x-√3)(x+√3)
W(x)=(x²-√1)(x²+√1)(x-√3)(x+√3)
b) W(x)=x³-3x²-2x+6
W(x)=x²(x-3)-2(x-3)
W(x)=(x²-2)(x-3)
W(x)=(x-3)(x-√2)(x+√2)