math
posted by vaishnavi on .
4.5x(1.25x+130)=3x115
find the value of x and show the steps

expand, collect all like terms to the left side to end up with a quadratic equation.
solve using the formula. 
i don't get it
v didn't study quadratic equations yet
can u explain it through work 
your equation leads to a quadratic equation.
If you have not studied that topic, an explanation is beyond what I can do here in a simple post
here is my result from a Google search
http://www.google.ca/search?hl=en&q=the+quadratic+equation&btnG=Google+Search&meta=