SOLUTION: HELP ME PLEASE I DO NOT UNDERSTAND HOW TO SOLVE THIS Solve {{{15/w=5t^2-20v}}} for t.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: HELP ME PLEASE I DO NOT UNDERSTAND HOW TO SOLVE THIS Solve {{{15/w=5t^2-20v}}} for t.      Log On


   

Question 101885: HELP ME PLEASE I DO NOT UNDERSTAND HOW TO SOLVE THIS
Solve 15%2Fw=5t%5E2-20v for t.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
5t%5E2-20v=15%2Fw
5t%5E2=%2815%2Fw%29%2B20v add 20 to each side.
5t%5E2=%2815%2B20vw%29%2Fw lcd=w
t%5E2=%283%2B4vw%29%2Fw divide both sides by 5
t=%2B-sqrt%28%283%2B4vw%29%2Fw%29 sqrt both sides.
Ed