X 2 7x 4 0 July 8, 2019 16 32 64 128 X 2 7x 4 0 complete the square X 2 7x 49 4 0 X 3 2x 2 7x 4 0 X2 7x 4 0 виета X 4 7x 2 12 0 X 4 7x 2 18 0 5 4 x 2 7x 9 0 X 4 7x 2 8 0 X 4 7x 2 6 0 X 4 7x 2 10 0 X 4 7x 2 44 0 X 4 7x 2 144 0 X 4 6x 2 7x 6 0 X 4 7x 2 1 0 Найдите сумму и произведение корней x^2+7x-4=0