1(5x-3)x²-2x(5x-3)-3(5x-3)=0(5x-3)(x²-2x-3)=05x-3=0⇒5x=3⇒x=0,6x²-2x-3=0x1+x2=2 U x1*x2=-3⇒x=-1 U x=3Ответ x={-1;0,6;3}2(x²+2x-1)(x²-x+3x-3)=35(x²+2x-1)(x²+2x-3)-35=0x²+2x-1=aa(a-2)-35=0a²-2a-35=0a1+a2=2 U a1*a2=-35a1=-5⇒x²+2x-1=-5x²+2x+4=0D=4-16=-12<0 нет решенияa2=7⇒x²+2x-1=7x²+2x-8=0x1+x2=-2 U x1*x2=-8x1=-4 U x2=2