Question

-5x^5(9x^4-3)
is it -45x^9+15x

Answer 1

Not quite, I believe.

Answer 2

\[\large \large -5x^5(9x^4-3)\] -5x^5 * 9x^4 does give us -45x^9.
Though,
-5x^5 * -3 = 15x ?
Are you sure?

Answer 3

15x^6 ?

Answer 4

or 15x^5

Answer 5

15x^5*

Answer 6

So your final answer would be?

Answer 7

-45x^9+15x^5

Answer 8

Correct! :)
I hope this help!

Answer 9

8w^2(5w^3-5w+5)
is it 40w^5-40w^3+40w^2 @GoldPhenoix

Answer 10

Please open a new question.