Respuesta :

c62712

Answer:

[tex]x^2+4x+5[/tex]

Step-by-step explanation:

If B is the midpoint of Line AC, then Lines AB + BC add up to equal Line AC therefore we get:

[tex]AB = x^{2} \\BC = 4x + 5\\AB + BC = x^{2}+4x+5\\AC = x^{2}+4x+5[/tex]

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