Answer :
Answer:
(x-1)(x+1)(x+5)
Step-by-step explanation:
x^3+5x^2 - x-5=
x^3-x+5x^2-5=
x(x^2-1) +5(x^2 - 1)=
(x^2- 1)(x+5)=(*)
(x-1)(x+1)(x+5)
(*) A^2 - B^2 =(A-B)(A +B)
Answer:
(x-1)(x+1)(x+5)
Step-by-step explanation:
x^3+5x^2 - x-5=
x^3-x+5x^2-5=
x(x^2-1) +5(x^2 - 1)=
(x^2- 1)(x+5)=(*)
(x-1)(x+1)(x+5)
(*) A^2 - B^2 =(A-B)(A +B)