SOLUTION: 2xsquared-3x-5=0

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Question 417121: 2xsquared-3x-5=0
Found 2 solutions by jim_thompson5910, stanbon:
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Notice we have a quadratic equation in the form of where , , and


Let's use the quadratic formula to solve for x


Start with the quadratic formula


Plug in , , and


Negate to get .


Square to get .


Multiply to get


Rewrite as


Add to to get


Multiply and to get .


Take the square root of to get .


or Break up the expression.


or Combine like terms.


or Simplify.


So the answers 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

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
2x^2-3x-5=0
---
2x^2-5x+2x-5 = 0
x(2x-5)+(2x-5) = 0
(2x-5)(x+1) = 0
x = 5/2 or x = -1
=====================
Cheers,
Stan H.
========

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