2 ( х+3) в 2 - 5 ( х+3)+ 2= 0

2(x+3)^2-5(x+3)+2=02(x^2+6x+9)-5x-15=02x^2+12x+18-5x-15=02x^2-5x+3=0 |:2x^2-2,5x+1,5=0x1+x2=2,5x1*x2=1,5x1=1x2=1,5