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Verified Answer :

 3a^3+8a-6
+4a^2-9a+11
=3a^3+4a^2-a+5

Answer:

\(3a^3+4a^2-1a+5\)

Step-by-step explanation:

Add the following polynomials:

\(3a^3 + 8a - 6 \ and\  4a^2 - 9a + 11\)

To add the polynomials we combine like terms

\(3a^3 + 8a - 6 + 4a^2 - 9a + 11\)

The terms with same variables are like terms

8a and -9a are like terms

8a - 9a = -1a

-6 +11= 5

\(3a^3 + 8a - 6 + 4a^2 - 9a + 11=3a^3+4a^2-1a+5\)