Question

find the number of zero of the polynomial
x³-2x²-x+2​

Answer 1

Answer:

Let x be 1

so,

p(1)=1³-2(1)²-1+2

p(1)=1-2-1+2

p(1)=3-3

p(1)=0

therefore x-1 is the factor of p(x)

[x-1=0]

[x=0+1]

[x=1]

hope it's helpful ❤✨