Question

ПОМОООЩЬ, АОАООА, срочно
✖✖

Answer 1

123456789

10111213141516171819

Answer 2

6)4x²+10x+3=0
D=100-48=52
x=(-10±√52)/8=(-10±2√13)/8=(-5±√13)/4
x1=-(5+√13)/4
x2=(√13-5)/4

5)6x²+5x+9=0
D=25-4*9*6=25-216=-191<0
x€∅

4)x²-13x+12=0
D=169-48=121=11²
x=(13±11)/2
x1=12;x2=1