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stupidinmath

  • 2 years ago

4t^2(k+9)7+20ts(k+9)7+25s^2(k+9)7 factored : (k+9)^7(2t-5s)^2 now, will u show me the steps to get these?

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  1. imron07
    • 2 years ago
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    You mean this? \[4t^2(k+9)^7+20ts(k+9)^7+25s^2(k+9)^7\]?

  2. stupidinmath
    • 2 years ago
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    Yup.

  3. imron07
    • 2 years ago
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    Well: \[=(k+9)^7(4t^2+20ts+25s^2) \] Got this part?

  4. stupidinmath
    • 2 years ago
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    Yeah.

  5. stupidinmath
    • 2 years ago
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    I know the answer but what's the steps?

  6. imron07
    • 2 years ago
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    Which step you don't understand. From there, you just need to factor 4t^2+20ts+25s^2

  7. stupidinmath
    • 2 years ago
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    Yeah. I mean steps onhow you factored it

  8. imron07
    • 2 years ago
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    Are you sure have written the problem correctly?

  9. stupidinmath
    • 2 years ago
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    YEAH

  10. stupidinmath
    • 2 years ago
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    ok. so what's next with (k+9)7(4t2+20ts+25s2)

  11. stupidinmath
    • 2 years ago
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    ?

  12. imron07
    • 2 years ago
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    Find two numbers A and B where A*B=4*25=100 A+B=20

  13. stupidinmath
    • 2 years ago
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    and .. ? that's how you get (k+9)7(4t2+20ts+25s2)?

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