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How do you work out this: x^3 + 4x = 6

How do you work out this: x^3 + 4x = 6
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2 votes
How do you work out this:
x^3 + 4x = 6

User David Lynch
by
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1 Answer

4 votes

x^(3) + 4x = 6 \\ x^(3) = 6 - 4x \\ x = \sqrt[3]{6 - 4x}

1. Subtract 4x from both sides.
2. Take the cube root from each side.
User Blanca
by
8.2k points
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