Question

$\sqrt[3]{2x - 3} = - 4$

Answer 1

$\sqrt[3]{2x - 3} = - 4 \\ 2x - 3 = - 4 {}^{ 3} \\ 2x - 3 = - 64 \\ 2x = - 64 + 3 \\ 2x = - 61 \div 2 \\ x = - 30.5$

Answer 2

$\sqrt[3]{2x-3} =-4\\\\(\sqrt[3]{2x-3})^3 =(-4)^3\\\\2x-3=-64\\\\2x=3-64\\\\x=-\frac{61}{2}\\\\x=-30,5$