Question

R² +2r³=
(what is r squared plus two r cubed?)​

Answer 1

We can't add these two terms since they're not like terms

Explanation:

We cannot add variables if they have different exponents

Answer 2

`{ \tt{ {r}^(2) + 2 {r}^(3) = {r}^(2) (1 + 2r) }}`