Question

X2+14x=-7 what number must you add to complete the square

Answer 1

Answer: 49

Explanation:

To complete the square, the second leading coefficient divided by 2 squared will give you the number need to add to both sides.

For example,

14 is the second leading coefficient in the so if you divide it by 2 you get 7 and 7 squared is 49.

Answer 2

49

Explanation:

To find the number we add to both sides to complete the square, we do b divided by 2 all squared.

(b/2)²

In this case, we have b = 14

(14/2)²

7²

49