Question

P(x)=x^4-13x^3+55x^2-91x.

Solve the polynomial equation by finding all roots.
GIVE BRANLIEST

Answer 1

Step-by-step explanation:

(((x4)-(13•(x3)))+(5•11x2))-91x = 0

STEP

2

:

Equation at the end of step

2

:

(((x4) - 13x3) + (5•11x2)) - 91x = 0

STEP

3

:

STEP

4

:

Pulling out like terms

4.1 Pull out like factors :

x4 - 13x3 + 55x2 - 91x =

x • (x3 - 13x2 + 55x - 91)

Checking for a perfect cube :

4.2 x3 - 13x2 + 55x - 91 is not a perfect cube