nomor 4 bagian, b tolong besok di kumpul

[tex] \frac{ p^{3}r -q+17 }{ r^{2} } [/tex]
[tex]= \frac{-2 ^{3} (-5) - 7 +17}{ 5^{2} } [/tex]
[tex]= \frac{-8(-5) -7 +17}{25} [/tex]
[tex]= \frac{50}{25} [/tex]
=2

A. p^5+q^2*p/p =(-2)^5+(7)^2*(-2)/(-2) =- 130/(-2)=65

B.p^3*r-q+17/r^2=(-2)^3*(-5)-7+17/(-5)^2=50/(-5)^2= 2