SOLUTION: I Need Help With This Quadratic equation . 2m^2+2m-12=0

Algebra.Com
Question 624550: I Need Help With This Quadratic equation . 2m^2+2m-12=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 "m":


Start with the quadratic formula


Plug in , , and


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 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

Whats wrong with this? |m+3| = 12-2m m+3=12-2m 3=12+2m 3=12-12+2m 3/2=2m/2 m=1.5... (answered by stanbon)
I need major help with this problem -12 + 5m + 10 = -2m - 10 -... (answered by jim_thompson5910)
Please help solve this equation.... (answered by Earlsdon)
Please solve this quadratic equation by completing the square and factoring: 2m^2 + 5m (answered by jim_thompson5910)
I need help simplifing these expressions (r+3)^2 and (2m-4)(m^2 + 2m +... (answered by rfer)
I need to solve by factoring: m^2-2m-63=0 Thanks for your... (answered by guapa,Abbey,jainenderkapoor)
The directions say: Solve the equation. Check your solution. {{{2m/(m+4) = 3/(m-1)}}} (answered by stanbon,josmiceli)
How do I solve? Find the value of the discriminant to determine the number of... (answered by nabla)
How do solve this equation ? {{{2m^2 + 10 = 0 }}} ? (answered by Alan3354)