Question

Solve each equation or inequality. Write solutions to inequalities in interval notation.If no solution exists, write no solution.Number 10

Answer 1

Solution:

Case: Inequality

Method:

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

Final answer:

x= 196