5x^17:x^13-16x^4 при x= -1​

5х^17 : х^13 - 16х^4 =

5х^17 :х^13= 5х^4
5х^4 - 16х^4= х^4( 5 - 16) = - 9х^4 = -9( -1)^4= -9 * 1 =-9