Question

2x³-3x²-17x+30
factorise
​

Answer 1

2x³-3x²-17x+30

=2x³-4x²+x²-2x-15x+30

=2x²(x-2)+x(x-2)-15(x-2)

=(x-2)(2x²+x-15)

=(x-2)(2x²+6x-5x-15)

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

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

Here is your answer chingu(friend)