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A^2-11a+30 factor each polynomial completely. If a polynomial is prime, state this.

User Rinke
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1 Answer

6 votes

Notice that:


\begin{gathered} -5+(-6)=-11 \\ (-5)\cdot(-6)=30 \end{gathered}

Therefore, we can factor the given equation as follows:


a^2-11a+30=(a-5)(a-6)

The polynomial is not prime.

User George Brown
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