alleryStart learning →Write the square of a difference, (a−b)², as three terms.
Aa² − 2ab − b²
Ba² − ab + b²
Ca² − 2ab + b²
Da² + 2ab + b²
Answer & Solution
Correct answer: C. a² − 2ab + b²
The two cross-products are both −ab, and the product of −b with itself is positive b².
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