Question

factors of polynomial f(x)= 2x cube - 5x square + x + 2​

Answer 1

Step-by-step explanation:

If we let f(x)=1

So, 2*(1)cube - 5*(1)square +1+2

2-5+1+2

5-5=0

If f(2)=

2*(2)cube - 5*(2)square+1+2

2*8 - 5*4+1+2

16-20+1+2

19-20=-1