x^2-6x=14x-18-x^2 пож

X^2 - 6X = 14X - 18 - X^2 X^2 + X^2 - 6X - 14X + 18 = 0 2X^2 - 20X + 18 = 0 2 * ( X^2 - 10X + 9 ) = 0D = 100 - 4*1*9 = 100 - 36 = 64V D = 8X1 = ( 10 + 8 ) : 2 = 9 X2 = 2 : 2 = 1 Ответ 9 и 1

x²-6x=14x-18-x²2x²-20x+18=0x²-10x+9=0D=100-36=64x1=(10+8)/2=9x2=(10-8)/2=1