Question

please tell me answer ​

Answer 1

6. x+2=0

x=(-2)

p(x)= 6x^3 +19x^2+16x+4

p(-2)= 6(-2)^3 + 19(-2)^2 +16(-2) +4

= (-48)+76-32+4

= (-80)+80

=0

therefore, x+2 is a factor if 6x^3+19x^2+16x+4.