(х+10)(х-6)=0найти корень
Х+10=0 х-6=0 х=-10 х=6 Ответ:6;-10
X^2 - 6x + 10x - 60 = 0 x^2 + 4x - 60 =0 a = 1 b =4 c = -60 D= b^2 - 4ac = 16 - 4 * 1 * (-60) = 256 = 16 x1 = -4 +16\2 = 6 x2 = -4 -16\2 = -10