Question 432854
a=	3	b=	0	c=	-75		
							
b^2-4ac=0+900				
b^2-4ac=900 : sqrt(900)=30
{{{x=(-b+-sqrt(b^2-4ac))/(2a)}}}							
{{{x1=(-b+sqrt(b^2-4ac))/(2a)}}}							
x1=(0+30)/6		
x1=5						
x2=(0-30)/6			
x2= -5