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(2x² - 3x + 1) (x² + 5x + 9) = 2x⁴ + 10x³ +18x²
- 3x³ - 15x² - 27x
x² + 5x + 9
Luego ordenas y sumas
(2x² - 3x + 1) (x² + 5x + 9) = 2x⁴ + 7x³ + 4x² - 22x + 9
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