Question

$x {}^{3 } - 5x {}^{2} - x + 5$
factorisation​

Answer 1

Answer:

$( {x}^{2} - 2) \times (x - 5)$

Answer 2

$\sf x^3 - 5x^2 - x +5 \\\\\sf= x(x^2-5x-1+5) \\\\\sf =x(x^2-5x+4) \\\\\sf = x(x^2-4x-x+4) \\\\\sf=x\{x(x-4)-(x-4)\} \\\\\sf=\boxed{x(x-1)(x-4)}$