Question

Yeh line mujhe samajh nahi aaya please explain why this line come ??? ​

Answer 1

Answer:

are iske uper vale line me jo 2a lika hai na usko bs 3a - a me break kiya hai next step krne ke liye

Answer 2

Answer:

ya line , splitting the middle term factorisation process se hua he

2a ko split Kiya he