## lisa123 one year ago Factor the expression by removing the common factor with the lesser exponent. (Factor your answer completely.)

1. lisa123

3x^7+x^-4

2. anonymous

$3 x^7+\frac{1}{x^4}$cannot be factored from my experience.

3. lisa123

I t says to factor out the -4

4. anonymous

$3x^7+x^{-4}=x^{-4}(3x^{11}+1)$ This is really unnecessary though