Answer:
x = - [tex]\frac{1}{7}[/tex]
Step-by-step explanation:
5 + x² = (x + 1)(x + 6)
5 + x² = x² + 7x + 6
5 = 7x + 6
-1 = 7x
So, the root of the equation is -[tex]\frac{1}{7}[/tex].