Math

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How do I solve a problem like this:

p^3m^2/7 + p^2m^3/21 - p^4m/14
Can you please help?

  • Math -

    common factor: p^2 m/7

    mp^2/7 ( pm+m^2 /2 + p^2/2)

    now, consider the ( ) factor out 1/2

    1/2 (p^2+2pm+m^2)=1/2 (P+m)^2

    so, anwer:

    mp^2/14 (p+m)^2

    check all that.

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