Anonymous
Anonymous asked in Science & MathematicsMathematics · 1 decade ago

Did I do this Algebra question correctly?

4q(3p^2-5q)(3p^2+5q)

The numbers after the "^" are powers.

I got the answer 36qp^3-100q^3

Update:

Nevermind I redid the problem and I think the answer is 36pq^3-100q^3.

5 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    Close. Unless I'm really rusty on algebra, it seems like your exponent on "p" is off by one. You multiply "p" squared times "p" squared. So you have p^(2+2) = p^4.

    The correct answer would then be

    36qp^4 - 100q^3

  • 1 decade ago

    You're almost correct.

    4q(3p^2-5q)(3p^2+5q)

    = 4q(9p^4 - 25q^2)

    = 36qp^4 - 100q^3

  • 1 decade ago

    Execute FOIL upon the latter of the problem then mutilply by 4q... to obtain answer of (36qp^4-100q^3).

  • 1 decade ago

    4q(3p^2 - 5q)(3p^2 + 5q)

    =>4q(9p^4 - 25q^2) = 36p^4q - 100q^3

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  • 1 decade ago

    4q/(9p^4-25q^2)

    Just multiply both numerator and denominator by 3p^2 -5q and then simplify.

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