Question

x3 + 5x2 - 11x + 55 = 0

Answer 1

need help
Find the roots of the polynomial equation.

-x3 + 5x2 - 11x + 55 = 0

A. , , –5

B. , , 5

C. , –5

D. , , 5

Answer 2

sorry didnt come out right

Answer 3

Divide -3x3 - 2x2 - x - 2 by x – 2.

A. -3x2 + 4x + 15, R 32

B. -3x2 + 4x + 15

C. -3x2 - 8x - 17

D. -3x2 - 8x - 17, R –36

Answer 4

subtitute x = 5 into your equation above, if gives the result equal zero then one of the solution is x = 5

Answer 5

-X^3+5x^2-11x+55=0
-x^3+5x^2-11x=-55
-x(-x^2-5x+11)=-55
this isn't factorable?
Stick it in your calculator and find the intersection, it should be your roots?

Answer 6

thank you