Question

Factorise : 2x³ – 3 x² – 17 x + 30.​

Answer 1

Step-by-step explanation:

2x^3 - 4x^2 + x^2 - 2x - 15x +30

2x^2(x - 2) + x(x - 2) - 15(x - 2)

(x-2) (2x^2 + x - 15)

(x-2) (2x^2 - 5x +6x - 15)

(x-2) (x(2x-5) +3(2x - 5)

(x-5) (x+3) (2x-5)