Question

What number must be added to the expression below to complete the square? X^2+5x

Answer 1

6.25

Explanation:

Find b, b= 5

Need (b/2)^2 = (5/2)^2 = 6.25

x^2+5x +6.35 =6.25

Then you can factor...

With love,

Hope :)

Answer 2

25/4

Explanation:

x^2 +5x

To complete the square we take (b/2)^2

b =5

(5/2)^2

25/4