Question

Find the sum 3a^2 - 6a + 8
6a^2 - 4
(+) 2a^2 - a + 12

5a^2-a+16
5a^2-13a+16
11a^2-7a+16
11a^2-6a-16

Answer 1

@iGreen

Answer 2

@Greenicus

Answer 3

@geerky42

Answer 4

Trinomial?

Answer 5

No, find the sum. That's how the problem is wrote out.

Answer 6

Ok, so it looks like you're going to add like terms.

Answer 7

3a^2, 6a^2, and 2a^2 are all like terms.

Answer 8

Add those up, as well as the other like terms you see.

Answer 9

11a^2 so A and B are out.

Answer 10

Exactly

Answer 11

D?

Answer 12

Now there's -6a and -a. Add them

Answer 13

Oh so C

Answer 14

Yep

Answer 15

-7

Answer 16

Righto!

Answer 17

Thanks!

Answer 18

You are welcome ;)