Explicație pas cu pas:
Folosim formula quadrica
-b+(-)Radical b²-4(ac) / 2a
Substituim valorile : a=3 , b=-2,c=-3
=>
2+(-)Radical(-2)²-4(3·(-3))/2·3
Simplificam
x=1+(-)radical10/3
x=1.38742588...,0.72075922..
+(-)=Plus minus
