Factor completely. y^6 - 49x^6
2 answers:
Answer:
(y+7x^3) (y-7x^3)
Step-by-step explanation:
Step-by-step explanation:
Since since are perfect squares, factor uusing difference of square formula.
a² - b² = (a+b) (a - b) where a = y³ and b = 7x³
(y³ + 7x³) (y³ - 7x³)
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