Question

решите уравнение молю !!!!!!!!!!!!!!

Answer 1

$8z^2-14z+5=0 \ D_1=49-40=9 \ z= frac{7+3}{8} =1.25 \ z= frac{7-3}{8} =0.5$

$5t^2+26t-24=0 \ D=169+120=289 \ t= frac{-13-17}{5} =-6 \ t= frac{-13+17}{5} =0.8$