Решите уравнение (x-10) ^2+(x+9) ^2=2x^2 (x-5) ^2+(x+4) ^2=2x^2 x^2-3x-40=0

(x-10) ^2+(x+9) ^2=2x^2x^2-20x+100+x^2+18x+81-2x^2=0-2x+181=0x=181/2=90,5 (x-5) ^2+(x+4) ^2=2x^2x^2-10x+25+x^2+8x+16-2x^2=0-2x+41=0x=41/2=20,5 x^2-3x-40=0D=9+160=169x1=(3+13) /2=8x2=(3-13) /2=-5 x^2+7x+6=0D=49-24=25x1=(-7+5) /2=-1x2=(-7-5) /2=-6 x^2+6x+9=0D=36-36=0x=-6/2=-3 x^2+3x-54=0D=9+4*54=225x1=(-3+15) /2=6x2=(-3-15) /2=-9