Need help with this plz

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.