SOLUTION: write the equation without fractions; x^2/5 +1/3=4/x a. x+1=4 b. 3x^3+5x=60 c. 5x+3=4x d.3x^2+x=20

Algebra ->  Average -> SOLUTION: write the equation without fractions; x^2/5 +1/3=4/x a. x+1=4 b. 3x^3+5x=60 c. 5x+3=4x d.3x^2+x=20      Log On


   

Question 1162563: write the equation without fractions; x^2/5 +1/3=4/x
a. x+1=4
b. 3x^3+5x=60
c. 5x+3=4x
d.3x^2+x=20
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

%28x%5E2%29%2F5+%2B+1%2F3+=+4%2Fx

15x%28%28x%5E2%29%2F5+%2B+1%2F3%29+=+15x%284%2Fx%29 Multiply both sides by the LCD (lowest common denominator) to clear out the fractions

15x%28%28x%5E2%29%2F5%29+%2B+15x%281%2F3%29+=+15x%284%2Fx%29 Distribute

3x%5E3+%2B+5x+=+60 Answer is choice B