Question

Factorise a³-b³-a+b

Answer 1

Answer:

${a}^{3 } - {b}^{3} - a + b \\ (a - b)( {a}^{2} + {b }^{2} + ab) - a + b \\ (a - b)( {a}^{2} + {b }^{2} + ab - 1)$

hope it will help you

Answer 2

Answer:

(a+b)(a²-ab-b²-1)

Step-by-step explanation:

(a³+b³)+(a-b)

(a+b)(a²-ab-b²)+(a-b)

(a+b)+(a²-ab-b²-1).