Question

(5/2u+2u/5+2)*5u при u=-8 решити плиз

Answer 1

$(frac{5}{2u} + frac{2u}{5} + 2) * 5u = frac{25}{2} + 2 u^{2} +10u = 12.5+2 u^{2} +10u$
u=-8
$= 12.5+2* (-8)^{2} -80=12.5+128-80=60.5$