complete the square using the square root property
x^{2 }- 8x + 16 = 8
√(x^{2} - 8x + 16) = √8
the above is same as:
x - 4 = √8
x = 4 ±√8
complete the square using the square root property
x^{2 }- 8x + 16 = 8
√(x^{2} - 8x + 16) = √8
the above is same as:
x - 4 = √8
x = 4 ±√8