118k views
3 votes
What number must i add to complete the square x^2+8x=-3

User Ilexcel
by
7.7k points

1 Answer

1 vote

Answer:

16

Explanation:

(b/2)^2

(8/2)^2 = (4)^2 = 16

(x^2+8x+16) = -3+16

(x+4)^2 = 13

so on so forth, but basically you add 16 which completes the square

User Neo Post Modern
by
8.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.