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Write the expression in factored form. 81m^2-49
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4 votes
Write the expression in factored form. 81m^2-49

User Nilesh Birari
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1 Answer

5 votes
We can use the difference of two squares, which is:

x^2 + y^2 = (x-y)(x+y)

So,

(9m-7)(9m+7)

Hope this helps!
User Ojk
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