Question

Solve x2 + 10x + 7 = 0 by completing the square.

Which equation is used in the process?

Answer 1

(x + 10)^2 = 93
(x + 5)^2 = 32
(x + 5)^2 = 18

Answer 2

(x+5)^2=32

Answer 3

how

Answer 4

\[x ^{2}+10x+(10/2)^{2}=-7+(10/2)^{2}\]
and then you have
\[(x+5)^{2}= 18\]

Made a mistake previously.