1.

Factorise the following a^3-b^3-a+b

Answer»

(a-b)(1^3-1)EXPLANATION:by REGROUPING the FACTORS,we can FIND that we geta^3-a-b^3+ba×(1^3-1)-b×(1^3-1)(a-b)×(1^3-1)



Discussion

No Comment Found