Question

please help me to find out these

Answer 1

mark brainliest if helpful..

Answer 2

Answer is in the attachment.

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29.) 3x³y - 243 xy³

⇒ 3x³ y - 3⁵ xy³

⇒ 3xy ( x² - 81 y² )

⇒ 3xy { x² - ( 9y )² }

⇒ 3xy ( x + 9y ) ( x - 9y )

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32.) x⁴ - 1

⇒ ( x² )² - ( 1 )²

⇒ ( x² + 1 ) ( x² - 1² )

⇒ ( x² + 1 ) ( x + 1 ) ( x - 1 )

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Thanks for the question !