Answer:
48 - 14x + x² = (x - 6) (x - 8)
3y⁴ - 18y³ - 21y² = 3y² (y+1) (y-7)
Explanation:
3y⁴ - 18y³ - 21y² = 3y² (y²-6y -7) = 3y² (y+1) (y-7)
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