Factorise : 3x^5 -6x^4 - 2x^3 + ax^2u200bu200bu200bu200bu200bu200bu200b + x-2

Question

Factorise : 3x5 -6x4 - 2x3 + ax2 + x-2

Answer 1

3x5 -6x4 - 2x3 + ax2 + x-2

= 3x4(x-2)-2x2(x-2)+1(x-2)

= (x-2) (3x4-2x2+1)