Question

(3.6x-4/5y)² solve this​

Answer 1

Answer:

12.96x² - 5.76 + 0.64y²

Step-by-step explanation:

(3.6x - 4/5y)²

= (3.6x)² - 2 × 3.6x × 4/5y + (4/5y)²

= 12.96x² - 5.76 + 0.64y²

Here, we applied the formula : (a-b)² = a²-2ab+b²

Hope it helps. Thank you!