Question

1.If p(x)=x³-4x²+x+6,then show that p(3)=0 and hence factorise p(x)
2. Factorise using factor theorem x³+13x²+32x+20 ​

Answer 1

Answer:

1. p(3)=27-36+3+6

=-9+3+6

=-9+9

=0