What is the value of (648 × 648 − 352 × 352) ÷ 296?
Correct answer A. 1000
Explanation
Using a² − b² = (a + b)(a − b): (648 + 352)(648 − 352) ÷ 296 = 1000 × 296 ÷ 296 = 1000.
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