Question

Perform the indicated operation.
(2x7+2x9-8)+(-4x8+3)-(-2x8+6x9+6x7)

Answer 1

2x^7+2x^9-8-4x^8+3+2x^8-6x^9-6x^7

Answer 2

now u add like terms

Answer 3

can u do that?

Answer 4

Im trying but every answer I get does not show on my quiz.

Answer 5

what did u get?

Answer 6

4x9-6x8+4x7-11

Answer 7

think a mistake in the distributive law for the last term
you need to change the sign of everything

Answer 8

mmm.. no yep i guess u made a mistake on distributing the last term or u didn't actually..

so try again and distribute the negative for the last term..

Answer 9

4x9-2x8-8x7-5

Answer 10

no.. can u show me the steps? (so i could help u or show u the mistake that ur doing..)

Answer 11

I give up

Answer 12

lol why? ok ill show you..

Answer 13

I suck at math LOL

Answer 14

=(-6x^9+2x^9)+(-4x^8+2x^8)+(-6x^7+2x^7)+(-8+3)
=-4x^9-2x^8-4x^7-5

if u have any questions.. ask..

Answer 15

how did you get the last 4^7

Answer 16

that answer is not on my quiz

Answer 17

i got it by subtracting 6 and 2 = 4 and 6 has a negative sign = -4x^7 ..

Answer 18

can u tell me the options (choices.. ) u have??

Answer 19

pleasee..

Answer 20

Other than the two i gave you here are the other two
8x^9-6x^8+4x^7-5
8x^9-6x^8+4x^7-11

Answer 21

hhmmm...

Answer 22

i guess there is something wrong.

Answer 23

Why ?

Answer 24

b/c i did this like more than 5 times im getting the same answer -4x^9-2x^8-4x^7-5

all u have to do is distribute.. add like terms.. u get the answer..

so im pretty sure there is something wrong.

is it an online test or school homework or.. ??

Answer 25

it's an online test

Answer 26

for school

Answer 27

oh!