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URGENT i need quick math help rn please:)

find the polynomial function with the following roots -1 of multiplicity 2 and 3

1 Answer

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Multiplicity 2 means you're using that same root twice. So we will FOIL out (x+1)(x+1)(x-3). Doing that multiplying gives us
x^3+2x^2+x-3x^2-6x-3. Combining like terms gives us the third degree polynomial we are looking for:
x^3-x^2-5x-3
User Jason Van Anden
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