Help divide monomials and simplify expressions with negative exponents?

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Help divide monomials and simplify expressions with negative exponents?

Divide monomials and simplify expressions with negative exponents. I am so confused! Help

1. 1/ x^-4 is the answer x^4?

2. x^2n-1/ x^n-3 No clue how to do this one.

Thank you in advance

2007-03-10 11:40:07 · 3 answers · asked by noggle4 2 in Science & Mathematics ➔ Mathematics

3 answers

1. Yes
Because 1/(1/x^4) is x^4

2.
Subtract the exponents. (2n-1)-(n-3)=n+2
So its x^n+2

2007-03-10 11:44:47 · answer #1 · answered by nightshadyraytiprocshadow 2 · 0⤊ 0⤋

1) Yes

2) Subtract exponents. x ^ 2n - 1 - (n - 3) =

x^(n + 2)

2007-03-10 11:43:32 · answer #2 · answered by richardwptljc 6 · 0⤊ 0⤋

1 is correct

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

2007-03-10 11:45:08 · answer #3 · answered by hustolemyname 6 · 0⤊ 0⤋