Question

-(12x+3)^3-12x-3=0 решите пж срочно

Answer 1

-(12x+3)^3-12x-3=0-(12x+3)*((12x+3)^2+1)=012x+3=0x=-1/4(12x+3)^2+1=0144x^2+72x+9+1=0144x^2+72x+10=072x^2+36x+5=0D=1296-1440=-144