*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)
Answers
Answered by
2
Answer:
2 is the answer I am sure.
Answered by
1
Answer:
(a-7)(a+7)
a(a+7) -7(a+7)
a^2+7a-7a-49
a^2-49
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