Answer 1

same denominator, just put your numerator terms together

Answer 2

do you remember how to add fractions?

Answer 3

i thought maybe it was a ?

Answer 4

sorry, I was helping someone doing another problem

Answer 5

You can ignore the denominator because they are the same

Answer 6

oh ok but did I get it right though?

Answer 7

so what is \[4x^2+x-7+4x-3x^2\]

Answer 8

huh?

Answer 9

8x - 7 3x^3

Answer 10

we are still working on the same problem

Answer 11

you don't have x^3, where do you get 8x from? just curious

Answer 12

add 4 x?

Answer 13

add 4x to what?

Answer 14

together

Answer 15

you need to put like terms together
4x and x
\[4x^2\] and \[-3x^2\]

Answer 16

so what is your final answer?

Answer 17

7x^2

Answer 18

4x^2-3x^2 is not 7x^2 signs are different, subtract numbers and take sign of larger number

Answer 19

\[x^2+5x-7\]

Answer 20

that is your final answer but put it over your denominator.
Good night gotta go