Question

Помогите! 50 баллов
$3^{2(x+1)^{2} +1} -87*3^{x^{2} +2x} +18=0$

Answer 1

Ответ:

Пошаговое объяснение:

$3^{(x+1)^2} = t\geq 3\\\\3t^2 - 29t + 18 = 0\\\\D=841-216 = 625 = 25^2\\\\t_1=\dfrac{29-25}{6} =\dfrac{2}{3} -ne-v-ODZ  \\\\t_2=\dfrac{29+25}{6} =9\\\\(x+1)^2=2\\\\x_1=-\sqrt{2} -1\\\\x_2=\sqrt{2} -1$