Question

помогите решить неравенство

Answer 1

$xsqrt{8}-7x+14sqrt{8} textgreater 57, \ xsqrt{8}-7x textgreater 57-14sqrt{8}, \ x(sqrt{8}-7) textgreater 57-14sqrt{8}, \ x textless frac{57-14sqrt{8}}{sqrt{8}-7}.$