Question

Please HELP! So lost!...Find all the rational zeros of the function f(x)=10x^4-30x^3-530x^2-90x.

Answer 1

factor as
\[10 (x-9) x (x^2+6 x+1)\] and then the answers are
\[x=0,x=9\] and x = solutions to the quadratic

Answer 2

Umm this is actually my first time on this soo I am not "depending" on Open Study. But thanks for the advice.

Answer 3

Wait nevermind wrong britney ^^;;;