Question

factories 144x^2-216xy+81y^2​

Answer 1

144x² - 216xy + 81y²

This expression can be factorized using algebraic identities

= (12x)² - 2(12x)(9x) + (9y)²

Since (x + y)² ≅ x² - 2xy + y²

and here x = 12x and y = 9y

=> (12x + 9y)²

=> (12x + 9y) (12x + 9y)