( 18a³ + 9b² + 7c² ) + ( 21a³ - 5b² - 3c² ), add​

Sagot :

Answer:

[tex]39a^{3} + 4b^{2} + 4c^{2}[/tex]

This is the answer:

39a³ + 4b² + 4c²

The solution is in the picture

Hope it helps (◕‿◕✿) (ᵔᴥᵔ)

  • Please mark me as (brainliest)
View image MAXENE231