Solve this problem
64a² - 81b²
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Answer:
Step-by-step explanation:
64a² - 81b²
= (8a)² - (9b)²
it is in the form of a² - b²
we know that,
a² - b² = (a+b)(a-b)
= (8a + 9b)(8a - 9b)
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