_-_-_-_-_--_--&-_-__-_--_-_--_-
solve it by identity
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Thank you
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8y^6 - 27z^6
(8y³)² - (27z³)²
by a²- b² = (a+b)(a-b) we get
⇒ (8y³ + 27z³)(8y³-27z³)
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