[tex]a) {4x}^{2} = 36 \\ \\ {x}^{2} = \frac{36}{4} = 9 \\ \\ x = ± \sqrt{9} \\ \\ x = ± 3 [/tex]
[tex]b) \frac{3x - 2}{5} = \frac{24}{3} \\ \\ \frac{3x - 2}{5} = 8 \\ \\ 3x - 2 = 8 \times 5 = 40 \\ \\ 3x = 40 + 2 = 42 \\ \\ x = \frac{42}{3} = 14 [/tex]