Question

HELP

Answer 1

ok

Answer 2

your attempt?

Answer 3

D.

Answer 4

thanks

Answer 5

it's not d but you deserve it.

Answer 6

how is it not d?

Answer 7

it should be because 5x cubed can be simplified

Answer 8

(x+2x) = 3x so it is simplified
(x^2+x) = x(x+1) so, it's simplified too
(5x^3 -x) = x(5x^2 -1) . I can simplified it, right? therefore d is not the right answer.
"simplified" means I can do NOTHING on it.

Answer 9

then what is it? @OOOPS

Answer 10

a

Answer 11

thanks