Question

уравнение 4x,в квадрате+7,x+3равно0

Answer 1

Дискриминант= b^2-4*a*c= 49-48=1...........х1=(-7-1)/8=-1.......х2=(-7+1)/8=-0,75.......Ответ: -1;-0,75

Answer 2

4х²+7х+3=0
D=7²-4*3*4=1
х1=-8/8=-1
х2=-7/8=-0.875