Respuesta :

Solution:

Case: Inequality

Method:

[tex]\begin{gathered} 30=3\sqrt{x}-12 \\ 30+12=3\sqrt{x} \\ 42=3\sqrt{x} \\ \frac{42}{3}=\frac{3\sqrt{x}}{3} \\ 14=\sqrt{x} \\ square\text{ }b.s \\ 14^2=(\sqrt{x})^2 \\ x=196 \end{gathered}[/tex]

Final answer:

x= 196

Otras preguntas