Answer: 10u3 + 4u2 - 2u + 10
Step-by-step 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
Answer:
12.1
76/2π
= 38/π
= 12
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