madisonbarragan12 madisonbarragan12

Today at 3:17 PM
Mathematics

Answered

Simplify: 5a3 + 3a + 7a3-2a-4a2 A.12a²-4a²-a B.12a²-4a²+a C.2a²-4a²+a D.8a²+a

Answer :

EMEGroup EMEGroup

Today at 3:22 PM

Answer:

It is B) 12a^3 - 4a^2 + a

Step-by-step explanation:

[tex]5 {a}^{3} + 3a + 7 {a}^{3} - 2a - 4 {a}^{2} \\ \\ (5 {a}^{3} + 7 {a}^{3} ) + ( - 4 {a}^{2} ) + (3a - 2a \: ) \\ \\ 12 {a}^{3} - 4 {a}^{2} + a[/tex]

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