Question

factorise the following 2x³-3x³-17x+30​

Answer 1

Step-by-step explanation:

2x^3-3x^3-17x+30

-x^3-17x+30

x^3+17x-30

x×x^2+17x-30

x×x^2-15x-2x-30

x×[x(x-15)-2(x-15)]

x(x-15)-2(x-15)=0

(x-15)(x-2)=0

x=15,x=2