Question

1. Let's add : 6a^2+7a+3,9a^2-2a+7, 4a^2-2a+9.​

Answer 1

Answer:

19a^2 + 3a + 19

Step-by-step explanation:

6a^2+7a+3+9a^2-2a+7+4a^2-2a+9

(6+9+4)a^2 + (7-2-2)a + (3+7+9)

19a^2 + 3a + 19