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Write a polynomial of degree 3 whose only roots are x=2 and x=2/5. Is there another polynomial of degree 3 that has the same roots?
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Write a polynomial of degree 3 whose only roots are x=2 and x=2/5. Is there another polynomial of degree 3 that has the same roots?

User Stepango
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One such polynomial might be


(x-2)\left(x-\frac25\right)^2

Another with the same roots would be


(x-2)^2\left(x-\frac25\right)
User VeecoTech
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