Mathematics · Algebra
Which of the following is equivalent to the expression x 4 - x 2 - 6?
- 1(x 2 + 6)(x 2 - 1)
- 2(x 2 + 3)(x 2 - 2)
- 3(x 2 + 2)(x 2 - 3)✓
- 4(x 2 + 1)(x 2 - 6)
Correct answer
(x 2 + 2)(x 2 - 3)
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