1)(x+4)^2=3x+40
2)(2x-3)^2=11x-19

1) х²+8х+16=3х+40 х²+8х+16-3х-40=0 х²+5х-24=0 D=5²-4*1*(-24)=25+96=121 x1=-5-11/2=-16/2=-8 x2=6/2=3

1) x^2+8x+16-3x-40=0 x^2+5x-24=0 D= 25+96= 121x1,2= -5+-11/2x1=3x2= -82) 4x^2-12x+9-11x+19=0 4x^2-23x+28=0D= √417x1,2= 12+-√417/8