Question

factorise 4a^2-9b^2+4a+1​

Answer 1

Hey!

° Question : 4a² - 9b² + 4a + 1

° Answer : (2a)² - (3b)² + 2*2a + 1

:: (2a + 1)² - (3b)²

:: (4a²+1+ 4a) - 9b² ::

:: ( 2a + 1 + 3b)(2a+1-3b)

I guess this is it!

Hope it helps!