Rewrite each expression with positive exponents and simplify.

What does this question mean? Do I just cancel things out? Please help

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  1. x^2 * x^n x^(2+n)
    x^3 * x^n = x^(3+n)
    now, after the division, subtracting powers, you have

    x^((2+n)-(3+n)) = x^-1 = 1/x

    You can see that this is so, because in the original fraction, you can cancel the x^n factors, leaving just

    x^2/x^3 = 1/x

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