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The product of a number and the square of another number is 108.... cont'd?

The product of a number and the square of another number is 108. If x is the number that is squared, write the sum S of the two numbers as a function of the number x.

Can anyone help?

1 Answer

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  • tsa
    Lv 5
    1 decade ago
    Favorite Answer

    y * x^2 = 108

    S = x + y.....................................but

    y = 108 / (x^2)

    Sum S = x + 108/(x^2) ................you can stop here........ or simplify

    = (x^3 + 108) / (x^2)

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