Question

rezolvati in multimea numerelor reale ecuatia (x-2) la patrat -(x+3)la patrat=5

Answer 1

(x - 2)² - (x + 3)² = 5
x² - 4x + 4 - x² - 6x - 9 = 5
- 10x = 5 + 5
x = - 1

Answer 2

x^2 - 4x + 4 - x^2 - 6x -9 = 5
-10x - 5 = 5
-10x = 5 + 5
-10x = 10
x = -1