Question 210143
{{{2/(x^2)+7/(x^2)}}} Start with the given expression.



{{{(2+7)/(x^2)}}} Combine the numerators over the common denominator.



{{{9/(x^2)}}} Combine like terms.



So {{{2/(x^2)+7/(x^2)=9/(x^2)}}} where {{{x<>0}}}