Question

using appropriate identify
Factorie
4x×x-y×y/9​

Answer 1

Answer:

You mean 4x² -(y²÷9)?

Really Simple!

A² - B² = (A+B)(A-B)

(2x)² - (y/3)²

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

That's it!

If you want, further simplify this.