Question

1) 3x^2+7x+4=0
a= b= c=
2) -2x^+7и9 x = 0
a= b= c=
3) x^2-5=0
a= b= c=
4) 9x+7x^2-1=0
a= b= c=

Answer 1

Ответ:

1)a=3,b=7,c=4

2)a=-2,b=9,c=7

3)a=1,b=0,c=-5

4)a=7,b=9,c=-1