SOLUTION: Solve and show all work! Thank you very much! {{{30x^2 - 9x - 3= 0}}}

Algebra ->  Equations -> SOLUTION: Solve and show all work! Thank you very much! {{{30x^2 - 9x - 3= 0}}}      Log On


   

Question 36937: Solve and show all work! Thank you very much!
30x%5E2+-+9x+-+3=+0
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
30X~2-9X-3=0 OR (6X-3)(5X+1)=0 OR 6X=3 OR X=1/2 & 5X=-1 OR X=-1/5
PROOF 30(1/2)~2-9(1/2)-3=0 OR 30*1/4-9/2-3=0 OR 30/4-9/2-3=0 OR 7.5-4.5-3=0 OR
3-3=0 OR 0=0
30(-1/5)~2-9(-1/5)-3=0 OR 30*1/25+9/5-3=0 OR 30/25+9/5-3=0 OR 6/5+9/5-3=0 OR
15/5-3=0 OR 3-3=0 OR 0=0