Question

4x² - 4x + 1- 9y ² factorise​

Answer 1

Step-by-step explanation:

for answer refer the above answering method

HOPE IT HELPS YOU!!!

Answer 2

Answer:

(2x+1)²-9y²

(2x+1)²-3y²

(2x+1+(3y))(2x+1-(3y))

(2x+1+3y)(2x+1-3y)

2x(2x+1-3y)+1(2x+1-3y)-3y(2x+1-3y)

4x²+2x-6xy+2x+1-3y-6xy-3y+81y²

4x²+4x-12xy-6y+1+81y²