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WILL GIVE BRAINLESt
which of the following represents the factorization of the binomial below?

WILL GIVE BRAINLEStwhich of the following represents the factorization of the binomial below class=

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morenitarubio
The answer is D.
Multiply everything in first set of parenthesis by the second one.

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mathstudent55
49x^2 is the square of 7x
81y^2 is the square of 9y
This is a difference of two squares.

A difference of two squares factors like this:
a^2 - b^2 = (a + b)(a - b)

Following the pattern above with your problem, you get
49x^2 - 81y^2 = (7x + 9y)(7x - 9y)

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