Question

x³-x+3x²-3 factorise​

Answer 1

x³-x+3x²-3

→ x(x²-1)-3(x²-1)

→ (x-3) (x²-1)

Answer 2

Answer:

(x+1)(x-1)(x+3

Step-by-step explanation:

)$x^{3} +3x^{2} -x-3\\taking\\ x^{2} and -1 as common \\x^{2} (x+3)-1(x+3)\\(x^{2} -1)(x+3)\\(x^{2} -1^{2} )(x+3)\\(x+1)(x-1)(x+3)$