Question

factorize x³-3x²-9x-5​

Answer 1

Answer:

Here your Answer ➜

Factorize $x^{3}-3x^{2} -9x-5$ .

$x^{3}-3x^{2} -9x-5\\=(x+1)(x^{2} -4x-5)\\=(x+1)[x^{2} -(5-1)x-5]\\=(x+1)(x^{2} -5x+x-5)\\=(x+1)[x(x-5)+1(x-5)]\\=(x+1)(x-5)(x+1)$