Question

check whether polynomial x-1 is a factor of x cube-8xsquare+19x-12

Answer 1

go through the solution step by step

Answer 2

p[x] = x³-8x²+19x-12
p[1]=[1]³-8[1]²+19[1]-12
      =1-8+19-12
      =0
thus [x-1] is a factor