64-(Х+3)2=0

Question

64-(Х+3)2=0

Answer 1

64-(х+3)2=0

64-2х-6=0

58-2х=0

-2х=-58

х=-58:(-2)

х=29

проверка: 64-(29+3)х2=64-64=0 

Answer 2

64-(Х+3)2=0

64-6-2х=0

58-2х=0

-2х=58 

х=58:(-2)

х=29