3 задача.1) x^2 - 13x + 22 = 0(x - 2)(x - 11) = 0x1 = 2; x2 = 112) x^2 + 2x - 24 = 0(x + 6)(x - 4) = 0x1 = -6; x2 = 43) x^2 - 2x - 80 = 0(x - 10)(x + 8) = 0x1 = -8; x2 = 104) x^2 + 12x + 35 = 0(x + 5)(x + 7) = 0x1 = -7; x2 = -54 задача. x1*x2 = c/ax1 = -1x2 = -c/aа) 5x^2 - x - 6 = 0x1 = -1; x2 = 6/5в) -3x^2 + 13x + 16 = 0x1 = -1; x2 = 16/35 задача. x^2 = px - 6 = 0Нет, потому что произведение двух отрицательных чисел положительно,а по теореме Виета x1*x2 = c/a = -6 отрицательно.6 задача. x^2 + 5x + 2 = 01) x1^2*x2 + x1*x2^2 = x1*x2*(x1 + x2) = c/a*(-b/a) = 2/1*(-5/1) = -102)