Question

Find the x intercepts of y=x^6-5x^5+8x^4-4x^3

Answer 1

i assume you would have to factor out x to minimize the eqation

Answer 2

y = x^3(x^3 -5x^2+8x-4)

Answer 3

maybe factor out x^3 so it can have a constant

Answer 4

better to use the rational root theorem after?

Answer 5

you can still break it down

Answer 6

x^3(x-2)^2(x-1) and set each portion to 0 and solve

Answer 7

what happens with the rest of the terms outside the parenthesis?

Answer 8

x^3 = 0 , (x-2)^2 = 0 , (x-1) = 0

Answer 9

get it?