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Expand and simplify the expression (x²−1)²−x(x³−2xy²).

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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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