Question

factories using the factor theorem ​

Answer 1

Answer:

Step-by-step explanation:

$p(x)=x^{3} + 5x^{2} - x +5$

using hidden trial meathod

let x-1=0

x=1

$p(1)= 1^{3} + 5(1)^{2} - 1 +5\\=1+5-1+ 5\\=10$

let x +1= 0

x= -1

$p(-1)=(-1)^{2} + 5(-1)^{2} - (-1)+5\\= 1+5+1+5\\=12$

let x+2 = 0

x= -2

p(-2)=$(-2)^{3} + 5(-2)^{2} - (-2) +5$

= -8+20+2+5

=21