integral(p)
p
pr # -120 + 274*x - 225*x^2 + 85*x^3 - 15*x^4 + x^5 deriv(pr) # 274 - 450*x + 255*x^2 - 60*x^3 + 5*x^4 integral(deriv(pr)) - 120 # -120 + 274*x - 225*x^2 + 85*x^3 - 15*x^4 + x^5