Question

Paula is solving the equation x2 + 22x = 15 by completing the square. What number must be added to both sides of the equation to complete the square?
A.1
B.44
C.11
D.121

Answer 1

please I really need some help somebody

Answer 2

(x^2+2*11*x +11^2) -11^2-15 =0

Answer 3

(x+11)^2-121=15

Answer 4

121 should be added both sides

Answer 5

is it clear

Answer 6

yeah thanks

Answer 7

ok,it's alright

Answer 8

im pretty bad at completing the square