Answer:
s = 7, 2
Step-by-step explanation:
s = 4 + √(s + 2)
isolate the radical:
s - 4 = √(s + 2)
square both sides:
s + 2 = (s - 4)²
expand:
s + 2 = s² - 8s + 16
move all terms to one side:
s² - 8s + 16 - s - 2 = 0
combine like terms:
s² - 9s + 14 = 0
factor:
(s - 7)(s - 2) = 0
zero product property:
s = 7, 2
Answer:
s = 7
Step-by-step explanation:
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