Question

*The price of one box is (a - 7) Rs. What is the total cost of (a + 7) boxes?*

1️⃣ ₹(a² - 14a + 49)
2️⃣ ₹(a² - 49)
3️⃣ ₹(a² + 14a + 49)
4️⃣ ₹(a² + 49)​

Answer 1

Step-by-step explanation:

option 1

is correct Answer

Answer 2

Answer:

2nd option

Step-by-step explanation:

(a-7)(a+7)

(a² - 7²)

(a²-49)