🎯 SAT Exam Prep

Simplify: (a + b)² − (a − b)²

A 4ab
B 2ab
C 2a² + 2b²
D 0

✓ Correct Answer: Option A

(a+b)² = a²+2ab+b². (a−b)² = a²−2ab+b². Difference = 4ab.

💡 Why is A) the correct answer?

The correct answer to the question "Simplify: (a + b)² − (a − b)²" is Option A: 4ab.

The other options — B) 2ab, C) 2a² + 2b², D) 0 — are incorrect for this SAT Exam Prep question. As explained above: (a+b)² = a²+2ab+b². (a−b)² = a²−2ab+b². Difference = 4ab.

📚 About This SAT Exam Prep Practice Question

This 2-level SAT Exam Prep question from the Math (No Calculator) topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free SAT Exam Prep practice test or use flashcards for spaced repetition review.

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