Math, asked by kristinakritika, 4 months ago

Factorise completely: 81x4 - 16b4

Answers

Answered by santoshshaw1237

2

Answer:

81x4 - 16b4 = (9x²)² - (4b²)² = 9x²+4b²) -( 9x²-4b²)

formula is a²- b² = (a+b) (a-b)....

Step-by-step explanation:

hope it's helpful... good morning.. have a great day...

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Answered by riyaatschool

4

found helpful

please mark brainliest

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