which expression is equivalent to 9x^5+3x(4x^4-3x^2)^2
a. 48x^9-24x^6+9x^5+9x^4
b. 48x^9=9x%-9x^4
c. 48x(-18x^5
d.48x^9-72x^7+36x^5

D) 48x^9-72x^7+36x^5

Step-by-step explanation:

In the future, instead of having to be reliant on answer's I'll give you a site which gets you step by step explanations along with the answer.

symbolab.com

You should try it, it's a really good site :)

what shape is

answer: 8

step-by-step explanation: if you add the possibilities 5 different flavor and 3 different sizes 5+3=8