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anyanavicka [17]
3 years ago
8

Answer the question

Mathematics
1 answer:
nasty-shy [4]3 years ago
5 0
We can do anything to an equation as long as we do it to both sides

given: \sqrt{3+\frac{(4+\sqrt{x+3})^2}{6}}=3
square both sides
3+\frac{(4+\sqrt{x+3})^2}{6}=9
minus 3 from both sides
\frac{(4+\sqrt{x+3})^2}{6}=6
multiply both sides by 6
(4+\sqrt{x+3})^2=36 square root both sides, remember to take the positive and negative roots [tex]4+\sqrt{x+3}=+/-6
minus 4
\sqrt{x+3}=-4+/-6
square both sides
do for -4+6 and -4-6 (2 and -10)
x+3=4 and x+3=100
minus 3
x=1 and x=97
test for extraneous roots
x=97 doesn't work


the answer is x=1
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