What number should be added to both sides of the equation to complete the square x^2+8*=4

Question

Cynthia Duncan

Mathematics

6 November, 13:34

What number should be added to both sides of the equation to complete the square x^2+8*=4

+1

Answers (1)

Know the Answer?

Geovanni Waters · Answer 1

16

Step-by-step explanation:

For a quadratic equation in the from

x² + Bx = C,

to complete the square, we need to add (B/2) ² to both sides

in this case

x² + 8x = 4

we will need to add (8/2) ² = 4² = 16 to both sides