Expand .
Answer and explanation
Correct answer: B.
- Step 1: .
- Step 2: .
Answer
.
Why not the others: : the middle term is missing. : the sign of the middle term is wrong. : the middle term and constant are not computed correctly.
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More Number and Algebra questions
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- Solve .
- Solve . What is the value of ?
- Solve . What is the value of ?