Respuesta :
Answer:
B. 18
Step-by-step explanation:
[tex]x^{2} + 36x + 324 = (x + m)^{2} [/tex]
[tex](x+18)^{2}= (x + m)^{2} [/tex]
[tex]\cancel x+18= \cancel x + m[/tex]
[tex]18= m[/tex]
Answer:
B. 18
Step-by-step explanation:
[tex]x^{2} + 36x + 324 = (x + m)^{2} [/tex]
[tex](x+18)^{2}= (x + m)^{2} [/tex]
[tex]\cancel x+18= \cancel x + m[/tex]
[tex]18= m[/tex]