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Answer:
Step-by-step explanation:
[2,∞)
What is the problem?? I would love to help
Answer:
x = 9±sqrt(7)
Step-by-step explanation:
3(x-9)^2 =21
Divide each side by 3
3/3(x-9)^2 =21/3
(x-9)^2 =7
Take the square root of each side
sqrt((x-9)^2) =±sqrt(7)
x-9 =±sqrt(7)
Add 9 to each side
x = 9±sqrt(7)
Answer:
transitive property of equality
Step-by-step explanation:
I know cus i took the test also sorry it took so long dude