Help me with number 2 plz. Its vertex

Answer:
x=4, x= -1
Step-by-step explanation:
Write your problem:
[tex]x^{2}[/tex] - 4 = 3x
Subtract 3x from both sides:
[tex]x^{2}[/tex] - 4 - 3x = 3x - 3x
Simplify:
[tex]x^{2}[/tex] - 3x - 4 = 0
Sovle with quadtric formula:
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