решите -9х^2+6х+3=0

Question

решите -9х^2+6х+3=0

Answer 1

-9x²+6x+3=0
a=-9 b=6 c=3
D=36-4*(-9)*3=36+108=144
x1=-6+12/18=1/3
x2=-6-12/18=-1
Ответ: x1=1/3 , x2=-1