117k views
0 votes
What number should be added to both sides of the equation to complete the square x^2+8×=4​

User Uzul
by
7.6k points

2 Answers

5 votes

Answer:

16

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

User Jennifer Zouak
by
7.9k points
2 votes

Answer:

16

Explanation:

User Lindita
by
6.9k points