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anonymous

  • 4 years ago

factor 49x^2-121y^2

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  1. anonymous
    • 4 years ago
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    Here is a detailed explanation with the solution.

  2. anonymous
    • 4 years ago
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    doesnt help :(

  3. anonymous
    • 4 years ago
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    why not?

  4. anonymous
    • 4 years ago
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    because they dont have common factorable numbers

  5. lgbasallote
    • 4 years ago
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    (7x + 11y)(7x - 11y) is that the answer you're looking for?

  6. anonymous
    • 4 years ago
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    yes! how did you come up with that though?

  7. anonymous
    • 4 years ago
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    look at the picture. it says everything. They are both perfect squares, 49=7^2, 121=11^2 BY the formula a^2+b^2=(a-b)(a+b)

  8. anonymous
    • 4 years ago
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    oh THANKS GUYS! YOU BOTH ROCK

  9. anonymous
    • 4 years ago
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    lol no prob

  10. anonymous
    • 4 years ago
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    I am late, but there's also an app called Wolfram Algebra.... That will factor it & show work. It's great!

  11. anonymous
    • 4 years ago
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    thhankyouuu:)

  12. anonymous
    • 4 years ago
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    Let me know if you got it and how you like it

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spraguer (Moderator)
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