Question

Factorise:
(i) 2x - 3x2 – 17x + 30​

Answer 1

Answer:

Step-by-step explanation:

2x³ - 3x² – 17x + 30​

=2x³-4x²+x²-2x-15x+30

=2x² (x-2) +x (x-2) -15 (x-2)

= (x-2) (2x +x -15)

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

= (x-2) { 2x(x+3) -5(x+3)}

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