Question 202051
I'll do the first two to get you started.



# 1


{{{3x^(-2)(3x^2)=(3*3)(x^(-2)*x^2)=9x^(-2+2)=9x^0=9(1)=9}}}



So {{{3x^(-2)(3x^2)=9}}}


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# 2


{{{3x^(-2)/(3x^2)=(3/3)(x^(-2)/x^2)=1x^(-2-2)=x^(-4)=1/x^4}}}



So {{{3x^(-2)/(3x^2)=1/x^4}}}