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5 votes
Solve for x:
(x-1)^3/2 = 27

2 Answers

4 votes
If you want the decimallll, x = 4.779763147, you probably don't need that. But whatever. XD
User Jyoung
by
6.2k points
6 votes
(x-1)^3 / 2 = 27

For equations like this, we want to isolate x in order to get the value of it.

First, let's multiply both sides by 2 to eliminate the fraction.

(x-1)^3 = 27(2)

Now, let's take the cube root of both sides

(x-1) = ∛(27 * 2)

Now, simplify the root

x - 1 = 3∛2

Add both sides by 1

x = 1 + 3∛2

That's your answer.

Have an awesome day! :)
User IsaacLevon
by
7.6k points