Question

Simplify the expression.

9xy2 – 11xy2

Answer 1

-2xy2 if that is square

Answer 2

4

Answer 3

IS it -2 or -4 im confused

Answer 4

-2xy2

Answer 5

its 4

Answer 6

Because 9xy² and 11xy² are like terms, you can subtract them, this gives you -2xy².

Answer 7

i'm right

Answer 8

@krista<3: Just typing one number as an answer without explanation doesn't make it right...

Answer 9

im srry i dnt know how to explain it i just know the answer because i learned this i hve a photographic memory i remember everything i see and hear

Answer 10

guys?

Answer 11

@krista<3 : having a photographic memory is no excuse for not explaining. Not here, not in a test...

Answer 12

srry

Answer 13

-2.

Answer 14

@luke. Hope you understand what I said about 9xy² and 11xy²...

Answer 15

ok

Answer 16

@luke. I don't understand why you type "-2"

Answer 17

?

Answer 18

Because 9xy² - 11xy² = -2xy²