Question

(11a3+6)-(-7a3+12) =
the 3 is the exponent

Answer 1

is it 18a3+18

Answer 2

(11a^3+6)-(-7a^3+12)

11a^3+6+7a^3-12

what's next?

Answer 3

just change the equation like this
11a^3 + 6 + 7a^3 - 12
then it will become
18a^3 - 6

Answer 4

you forgot to distribute the negative through to each term inside the second parenthesis

Answer 5

??

Answer 6

yes I did

Answer 7

oh no not you friedrice, i was talking to the original poster

Answer 8

ohh ok

Answer 9

ortizgiovanni21 forgot to distribute the negative through

Answer 10

(-8y^5+4)-(13y^5-6) =
is it -21y^5+10

Answer 11

yes

Answer 12

(13x^7-6)-(-14x^7+11)
is it 27x^7-17