Show that (x+2) is a factor of ` f(x) = x^(3) + 5=4x^(2) + x - 6.`

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Show that (x+ 2) is a factor of x^(3) -4x^(2) - 2x + 20

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Show that (x-2) is a factor of the polynomial f(x)=2x^(3)-3x^(2)-17x+30 and hence factorize f(x)

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