Question

factorise : a³ - 23a³ + 142 - 120

Give me a correct answer​

Answer 1

Answer:

x

3

−x

2

−22x

2

+22x+120x−120

x

2

(x−1)−22x(x−1)+120(x−1)

(x−1)(x

2

−22x+120)

(x−1)(x

2

−12x−10x+120)

(x−1)(x(x−12)−10(x−12))

(x−1)(x−10)(x−12)