Question

Factorise: 15a²b² - 60
please tell fast ​

Answer 1

Answer:

15(ab+2)(ab-2)

Step-by-step explanation:

15a^2b^2-60

15(a^2b^2-4)

15(ab+2)(ab-2) a^2-b^2 = (a+b)(a-b)