Question

4x² - 4xy + y² - 9z²

Answer 1

Here is your answer

We have,

4x² - 4xy + y² - 9z²

= ( 4x² - 4xy + y²) - 9z²

= {(2x)² - 2 × 2x × y + y²} - (3z) ²

= (2x - y) ² - (3z) ²

= ( 2x - y + 3z) (2x - y - 3z)


Hope it helped ☺☺☺☺