Factorise the expressions

A)25 a²-9 b²

Asked by judedominic2006 | 29th Mar, 2021, 01:01: PM

Expert Answer:

25a² - 9b²
= (5a)2 - (3b)2
= (5a - 3b)(5a + 3b)

Answered by Yasmeen Khan | 29th Mar, 2021, 11:51: PM