(√2х + 6)² = (4х)²,
2х + 6 = 16х²,
16х² - 2х - 6 = 0,
Д = (-2)² - 4*16*(-6) = 4 + 384 = 388,
х1 = (2 + 2√97)/2*16 = (1+√97)/16,
х2 = (2 - 2√97)/2*16 = (1-√97)/16,
(√2х + 6)² = (4х)²,
2х + 6 = 16х²,
16х² - 2х - 6 = 0,
Д = (-2)² - 4*16*(-6) = 4 + 384 = 388,
х1 = (2 + 2√97)/2*16 = (1+√97)/16,
х2 = (2 - 2√97)/2*16 = (1-√97)/16,