Question 398148


{{{p(x)=2x^2n-x^n-4}}} and {{{r(x)=8x^2n+2x^n+1}}}, 

find {{{p(x)-r(x)}}}


{{{p(x)-r(x) = 2x^2n-x^n-4 - (8x^2n+2x^n+1)}}}


{{{p(x)-r(x) = 2x^2n-x^n-4 - 8x^2n -2x^n -1)}}}


{{{p(x)-r(x) = - 6x^2n -3x^n -5)}}}