Mathematics · Algebraic Expressions
If a = c + d, which of the following is equivalent to the expression x 2 - c 2 - 2cd - d 2 ?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x 2 - ax - a 2
- 2(x + a)(x - a)✓
- 3(x - a) 2
- 4(x + a) 2
Correct answer
(x + a)(x - a)
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