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Answer: 2x³y² - 2x² + 1
Explanation:
1.expand // (x⁴ - 2x² + 1) - x(x³ - 2xy²)
2.distribute // x⁴ - 2x² + 1 - x⁴ + 2x³y²
3. simplify the expression by combining // x⁴ - x⁴ - 2x² + 2x³y² + 1 =
=2x³y² - 2x² + 1
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