Answer:
the answer is 16 . the explanation is that because if you have. 200 cm y axis it overcomes the x of other 80
(2x+3y)(2x-3y)
Step-by-step explanation:
a² - b² = (a + b)(a - b)
4x² - 9y²
= (2x)² - (3y)²
= (2x + 3y)(2x - 3y)