Asked by James
Rewrite each expression with positive exponents and simplify.
X^2•x^n/x^3•x^n
What does this question mean? Do I just cancel things out? Please help
X^2•x^n/x^3•x^n
What does this question mean? Do I just cancel things out? Please help
Answers
Answered by
Steve
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
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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