Question

factorise P of x = x cube + for x square - 4 x minus 4​

Answer 1

Answer:

P (x)= x^3 + x^2 -4 x -4

P (-1)= (-1)^3 +(-1)^2 -4 (-1) -4

= -1 +1 +4 -4

=0

x+1 is the factor