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Sacamos el factor común: x²
⇒ x²(1-4x³)
2. 2x³-6x⁴₊10x
⇒ Rpta: x(2x²-6x³-10)
3. abc₊ab₊ac
⇒ Rpta: a(bc₊b₊c)
4. 4xy-2x₊8xz
⇒Rpta: 2x(2y-1₊4z)
5. 4x⁴y⁶-2x³y²₊10x⁶y⁵
⇒Rpta: 2x³y² (5x³y³ + 2xy⁴ - 1)
6. 8x⁶-2x⁴₊10x³
⇒Rpta: 2x³ (4x³ - x + 5)
7. 12x⁵-24x⁴-27x³
⇒Rpta: 3x³ (4x² - 8x - 9)