A
Step-by-step explanation:
Given
x² - 16x + 64 = 0 ← left side is a perfect square and factors as
(x - 8)² = 0, thus
x - 8 = 0 ⇒ x = 8 with multiplicity 2
Thus x = 8 is the only solution → A
answer: sensy
step-by-step explanation:
wfirfkfr/jjfi; jn; p/ojkfvlbvmkmgkgkkkgkkg