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finlep [7]
3 years ago
12

How do you solve the equation (X+3)^3=81

Mathematics
1 answer:
solmaris [256]3 years ago
4 0
(x+3)^3=81\\
x+3=\sqrt[3]{81}\\
x+3=3\sqrt[3]3\\
x=3\sqrt[3]3-3\\

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Read 2 more answers
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but we have 2 options with 8.6 as the lowest term, we can see that the brackets are different in the beginning

the '[' bracket tells us to include 8.6 in the values of x whereas the '(' bracket tells to exclude 8.6 from the possible values of x

since we know that x is greater than or equal to 8.6, we will use the '[' bracket

Hence, b is your answer

<em></em>

<em>PS: i need one brainly to reach the next rank, if you find this answer helpful. Mark Brainliest </em>

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