The absolute value of solving equation x minus 5 = 4 The absolute value of the difference between the square of solution equation x minus 5 = 4, how to solve it

The absolute value of solving equation x minus 5 = 4 The absolute value of the difference between the square of solution equation x minus 5 = 4, how to solve it


The square of x minus 5 = plus or minus 4, then x = plus or minus 3 or plus or minus 1