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Factor the following problem: 81x^4 - 49x^4 =​
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Factor the following problem: 81x^4 - 49x^4 =​

User Badre
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1 Answer

6 votes

Answer:

a2 - b2 = (a - b) where a =9x and b = 7

(9x + 7) (9x - 7 )

Explanation:

User Martin Cassidy
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