Question

Решите уравнение:
( х-5)*(х+5)= (х-3)^2+2

Answer 1

( х-5)*(х+5)= (х-3)^2+2
х² - 25 = (х² - 6х + 9) + 2
6х - 25 - 9 - 2 = 0
х = 36/6
х = 6

Answer 2

x²-25=x²-6x-9+2
x²-x²+6x=25-9+2
6x=18
x=186
x=3