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Find the largest possible value of x in the simplified form x=a±bcd if 5x6+1=3x where a,b,c, and d are integers. What is acdb

 Oct 16, 2020
 #1
avatar+37165 
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Multipl through by x to get

5x^2 /6 + x = 3    Multiply through by 6

 

5x2 + 6x - 18 = 0     Quadratic Formula shows answers   as  ( 3 +- 3 sqrt 11 ) / 5         ..... you can finish the answer from here .....

 Oct 16, 2020
 #2
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Oops! Just realized I made a little typo. It's supposed to be x=a+bcd

 Oct 16, 2020
 #3
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Thanks ElectricPavlov! You were correct, and now I understand! smiley

 Oct 16, 2020
 #4
avatar+37165 
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You're welcome !  cheeky

ElectricPavlov  Oct 16, 2020

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