Mathematics · Algebra
Simplify the following expression: x 4 - 2x 2 + 1 x 2 - 2x + 1
- 1x 2 + x + 1
- 2x 2 + 2x + 1✓
- 3x 2 + 2x + 2
- 4x 2 - 2x + 1
Correct answer
x 2 + 2x + 1
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