Question

Help me please
screencap in comments.
best answer rewarded

Answer 1

what is this a marathon homework session?

Answer 2

what is \[-5+2+7\]?

Answer 3

She gave me 48 questions -.-

Answer 4

lolol

Answer 5

Thats 4 by the way

Answer 6

so it is one of the last two

Answer 7

and all three have the first same term

Answer 8

So we've crossed out two whats next?

Answer 9

so the question is, what is \[3a^2b^2+5a^2b^2-9a^2b^2\]

Answer 10

more simply put, what is
\[3+5-9\]?

Answer 11

-1

Answer 12

ok so you got your answer?

Answer 13

No?

Answer 14

since \[3+5-9=-1\] you have \[3a^2b^2+5a^2b^2-9a^2b^2=-a^2b^2\]

Answer 15

so it's -5a^3b - a^2b^2 + 4