Question

X^3 - 5x^2 - x + 5 ​

Answer 1

(x+1)(x-1)(x-5)

The roots are 1, -1, 5

Explanation:

x³-5x²-x+5

(x³-5x²) - (x-5)

x²(x-5) - (x-5)

(x²-1)(x-5)

(x+1)(x-1)(x-5)

The roots are 1, -1, 5