Question

$\sqrt[3]{125} + \sqrt[3]{8} - \sqrt{49 }$

Answer 1

∛125+∛8-√49 = 5+2-7 = 0 ;

Answer 2

$\sqrt[3]{125} + \sqrt[3]{8} - \sqrt{49} = \\ \\ \sqrt[3]{ {5}^{3} } + \sqrt[3]{ {2}^{3} } - \sqrt{ {7}^{2} } = \\ \\ 5 + 2 - 7 = \\ \\ 7 - 7 = \\ \\ 0$