Question

Choose the correct simplification of (4a2 + 9a − 5) + (6a2 − 5).

10a2 + 9a <---- my answer (correct?)

10a2 + 9a − 10

−2a2 + 9a

−2a2 + 9a − 10

Answer 1

no

Answer 2

why?

Answer 3

what's a positive times a negative?

Answer 4

negative?

Answer 5

so what's \[1*-5\]

Answer 6

-5

Answer 7

just open all brackets and combine the similar terms.
4a^2 + 6a^2 = 10a^2
9a still 9a
- 5 - 5 = -10
then add up

Answer 8

so what's -5 -5

Answer 9

or we could just give you the answer i guess

Answer 10

its B right?

Answer 11

cuz -5 - 5 is -10

Answer 12

yea

Answer 13

thank you

Answer 14

No problem You pretty much understand it anyway