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Grosser · Answer 1 · 2021-05-23T08:12:35+0000

Answer: 10u3 + 4u2 - 2u + 10

Explanation:

( 4u3 + 4u2 + 2) + ( 6u3 - 2u + 8)

opening the bracket

4u3 + 4u2 + 2 + 6u3 - 2u + 8

collecting like terms

4u3 + 6u3 + 4u2 - 2u + 2 + 8

10u3 + 4u2 - 2u + 10