Question

Factorise each of the following: 169a² – 144b² using identites​

Answer 1

hope this helps u

169a²-144b²

169=13*13=13²

144=12*12=12²

⇒13²a²-12²b²

[13a]² - [12b]²

a²-b²=(a+b)(a-b)

[13a]² - [12b]²= (13a+12b) (13a-12b)

Answer 2

Answer:

169a^2 - 144b^2 = (13a) ^2 - (12b) ^2 = (13a+12b)* (13a-12b)