Question

решите уравнение 4x^2+9x+5=0

Answer 1

4x^6+9x+5=0
D=9^2-4*4*5=81-80=1
x1=-9+1/4*2=-8/8=-1
x2=-9-1/4*2=-10/8=-5/4

Answer 2

D=81-4*4*5=1
x1=(-9+1)/8=-1
x2=(-9-1)/8=-1,25