SOLUTION: 5x^2+225=0

Algebra.Com
Question 557425: 5x^2+225=0
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Notice that the quadratic is in the form of where , , and


Let's use the quadratic formula to solve for "x":


Start with the quadratic formula


Plug in , , and


Square to get .


Multiply to get


Subtract from to get


Multiply and to get .


Simplify the square root (note: If you need help with simplifying square roots, check out this solver)


Break up the fraction.


Reduce.


or Break up the expression.


So the solutions are or

If you need more help, email me at jim_thompson5910@hotmail.com

Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you

Jim



RELATED QUESTIONS

-5x^2=-225 (answered by Mathpassionate)
x^2-225=0 (answered by nerdybill)
For the following quadratic equation, determine the nature of the roots. 5x^2-20x-225=0 (answered by ikleyn,MathLover1,MathTherapy)
5x^2-8=0??? (answered by usyim88hk)
0=-3x^2+5x (answered by Linz)
2/5x+10=0 (answered by jojo14344)
5x^2+500=0 (answered by Alan3354)
5x^2-6=0 (answered by Edwin McCravy)
5x+9x+2=0 (answered by radh)