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6x (3x - 1)² + 2x² (1 - 3x)² =
6x (9x² - 6x + 1) + 2x² (9x² - 6x + 1) =
54x³ - 36x² + 6x + 18x⁴ - 12x³ + 2x² =
18x⁴ + 54x³ - 12x³ - 36x² + 6x + 2x² =
18x⁴ + 42x³ - 34x² + 6x
Sacamos factor común de : 18x⁴ + 42x³ - 34x² + 6x
El factor común es = 2x
2x (9x³ + 21x² - 17x + 3)
2x (x + 3) (3x - 1) (3x - 1)
2x (x + 3) (3x - 1)²
RESPUESTA:
2x (x + 3) (3x - 1)²