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    4. 5x.(7x-4y)
    5x.(7x-4y)

    ??


     

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    0  Views: 645 Answers: 2 Posted: 12 years ago
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      2 Answers

      Homework.  Ask your teacher to explain it...we can answer it but that won't help you when you take a test.

      12 years ago. Rating: 4
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        5x(7x-4y) ,=  5x(7x)+5x(-4y) ,=  5x * 7* +5x(-4y) ,=  35x(squared) + 5x(-4y) ,=  35x" - 20xy.


        so,  35x squared - 20xy      is answer.

        12 years ago. Rating: 0
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