*(2a – 5b)² = ?*

1️⃣ 4a² – 10ab + 25
2️⃣ 4a² +10ab + 25
3️⃣ 4a² – 10ab – 25
4️⃣ 4a² + 10ab – 25​

2 thoughts on “*(2a – 5b)² = ?*<br /><br />1️⃣ 4a² – 10ab + 25<br />2️⃣ 4a² +10ab + 25<br />3️⃣ 4a² – 10ab – 25<br />4️⃣ 4a² + 10ab – 25​”

1. Answer:

   1)4a²-20ab+25b² is the correct answer

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2. None is correct

   Correct answer is
   4a^2 – 10ab + 25b^2

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