What is the product in simplest form? State any restrictions on the variable.

z^2/z+1 * z^2+3z+2/z^2+3z

(1 point)
Responses

a z^2+2z/z+3; z ≠ –1, –3

b z+2/z+3; z ≠ –1, 0, –3

c z+2/z+3; z ≠ –1, –3

d z^2+2z/z+3; z ≠ –1, 0, –3

1 answer

c z+2/z+3; z ≠ –1, –3