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Find all x so that 8x^2 * 4x = 2. Enter all the solutions, separated by commas.

 May 2, 2022
 #1
avatar+9675 
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Simplifying the left hand side gives 32x^3 = 2.

 

DIviding by 32 on both sides and taking cube root gives the answer.

 

Answer: x=1232

 May 2, 2022
edited by MaxWong  May 2, 2022
edited by MaxWong  May 2, 2022
 #2
avatar+2668 
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We have: 32x3=2

 

Dividing both sides by 32, we get: x3=116

 

Taking the cube root of both sides, we have: x=1316=232

 May 2, 2022

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