Answer:
1x = -9 x2 = -1
Step-by-step explanation:
Factor the expression: [tex]x^{2}[/tex] + 9x + x + 9 = 0
Factor the expression: x * (x+9) + x + 9 = 0
Separate into possible cases: (x + 9) * (x+1) = 0
Solve the equations: x + 9 = 0 x + 1 = 0
The equation has 2 solutions: x = -9 or x = -1