Answer:
9. 225
10. 14
Step-by-step explanation:
9.
Divide the coefficient of x by 2 and square it.
30/2 = 15
15^2 = 225
Answer: 225
10.
When you divide the middle coefficient by 2 and square it, you get the constant term (the third term). Here, the constant term is 49. 49 is the square of 7. Double 7 to get 14.
Answer: 14
