Question

x² -4 - (x-1)² = x² - 8
URGENTE!!!!!!!

Answer 1

x² - 4 - (x-1)² = x² - 8

x² - 4 - x² + 1 = x² - 8

x² - x² - x² = - 8 + 4 + 1

-x² = -3 .(-1)

x² = 3

x = √3