Question

factorise: a. x^3-7x+6 b. x^8-y^8

Answer 1

a) x³ - 7x + 6

=> (x-1)(x-2)(x+3)

b) x^8 - y^8

=> (x⁴+y⁴)(x²+y²)(x+y)(x-y)

hope , it will help you.

Answer 2

The answer of a. is (x-1)(x+3)(x-2)
The answer of b. is (x⁴+y⁴)(x²+y²)(x+y)(x-y)