1) a)2y^2-9y+10=0 б)y^2-10y-24=0 в)x^2-7^2//x+2=18//x+2 г)2x^2//x-2=-7x+6//2-x

Question

1) a)2y^2-9y+10=0

б)y^2-10y-24=0

в)x^2-7^2//x+2=18//x+2

г)2x^2//x-2=-7x+6//2-x

Answer 1

a) D=81-4*10*2=1
y1,2 = (9+-1)/4
y1=2
y2=2.5
б) D=100+4*24=196
y1=12
y2=-2
 

Answer 2

a) 2y^2-9y+10=0
D=81-4*2*10=1
y1=2.5
y2=2
б)y^2-10y-24=0
D=25+24=49
y1=-2
y2=12