Question

f(x)= 4x^3-20x^2+25x
f(x)= -x^5+5x^3-4x

I need to find the x-intercepts for these problems & i'm a little confused

Answer 1

X-intercepts occur at every point that y = 0.

Answer 2

ok, but i'm trying to do the work & it's looking a mess. Just want to make sure i get it right & understand

Answer 3

this is so confusing

Answer 4

Yea, what you need to do is to try to factor. Here, working with the first one, you can factor out an x very quickly, then what do you have?