Решите уравнения (х+7)²=(х-3)(х+3)

x^2 + 14x + 49 = x^2 - 9 14x + 49 = - 914x = - 49 - 9 14x = - 58x = - 58/14 = - 29/7 = - 4 целых 1/7

(х+7)^2=(х-3)(х+3)х^2+14х+49=х^2-914х=-9-4914х=-58х=-4 1/7Ответ: х=-4 1/7