Question

factorise 144a²-169b²​

Answer 1

12a*12a=144a²

13a*13a=169a²

Answer 2

Step-by-step explanation:

it's it's very simple

144 and 169 are the perfect square of 12 and 13 respectively so you have to write 12 a whole square minus 13 b whole square and then use the formula of a square minus b square that is equal to a + b and a minus b and n solve it further then you will get your answer

I hope it helps you