Question

Show that x^2-1 is a factor of polynomial 5x^3+4x^2-5^x-4

Answer 1

To show :- x² -1 is factor of of polynomial 5x³+ 4x² -5x -4

SolutioN :-

View the attachment

Answer 2

factor have to be done.

first

put x=1

then it verify the polynomial

then

the equation is x-1=0