Question

show that x-1 is a factor of the polynomial x cube minus thirteen x plus thirty two x minus twenty hence factorise the polynomial

Answer 1

Step-by-step explanation:

you just need to write x cube minus 13 X square + 32 x minus 20 and then divide and u will get x square - 12 X + 20 by the method of factorization just factorise it and that's it