(x2 - 2x +3)(x2 – 2x +5) - 35
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Answer:
x⁴ - 4x³ + 9x² - 16x - 20
Step-by-step explanation:
Given : (x² - 2x + 3)(x² - 2x + 5) - 35
→ x²(x² - 2x + 5) - 2x(x² - 2x + 5) + 3(x² - 2x + 5) - 35
→ x⁴ - 2x³ + 5x² - 2x³ + 4x² - 10x + 3x² - 6x + 15 - 35
→ x⁴ - 2x³ - 2x³ + 5x² + 4x² + 3x² - 10x - 6x + 15 - 35
→ x⁴ - 4x³ + 9x² - 16x - 20
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