Question

factorise the subtraction x3-1by x-1​

Answer 1

Answer:

x²+x+1

Step-by-step explanation:

x³ - 1 = (x²+x+1)(x-1)

(x³-1)/(x-1) =  (x²+x+1)(x-1)/(x-1) =  (x²+x+1)