Question

Solve $(u-4)^3 - 80 = 0$ where $u$ is a real number.\ Write your answer in simplified radical form.\ (If there is more than one solution, separate them with commas.)

          Solve $(u-4)^3 - 80 = 0$ where $u$ is a real number.\ Write your answer in simplified radical form.\ (If there is more than one solution, separate them with commas.)
        
Solve (u-4)^3 - 80 = 0 where u is a real number. Write your answer in simplified radical form. (If there is more than one solution, separate them with commas.)

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Elementary and Intermediate Algebra
Elementary and Intermediate Algebra
Alan S. Tussy, R. David Gustafson 5th Edition
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Solve u - 4√80 = 0 where u is a real number. Write your answer in simplified radical form. (If there is more than one solution, separate them with commas.)
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Transcript

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00:01 Hello, here we're giving the equation 2x squared minus 80 is equal to 0.
00:06 So if we add 80 to both sides, we get that 2x squared is equal to 80, and then dividing through by 2 is going to give us that x squared is equal to 40...
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