Question

Can someone help please? ​

Answer 1

Answer:

Step-by-step explanation:

$x^{2} + 2x =6\\\\x^{2} +2x + 1^{2} = 6 + 1^{2} \\\\(x+1)^{2} = (\sqrt{7})^{2}$

$x+1 = \sqrt{7}$

x = -1 ± $\sqrt{7}$