Answer:
64
Step-by-step explanation:
sqrt (x) + 3 = 11
subtract 3 to both sides
sqrt(x) = 8
square both sides to get ride of sqrt
x = 64
[tex]\displaystyle 64 = x[/tex]
[tex]\displaystyle 8 = -3 + 11 \\ \\ 8^2 = [\sqrt{x}]^2 \\ \\ 64 = x[/tex]
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