SOLUTION: Factoring to solve equations
Solve:
{{{ (1/2)x^2+x-(7/2)=4}}}
Algebra.Com
Question 372368: Factoring to solve equations
Solve:
Found 2 solutions by stanbon, mananth:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
(1/2)x^2+x-(7/2)=4
---
Multiply thru by 2 to get:
x^2 + 2x - 7 = 8
---
Rearrange:
x^2 + 2x - 15 = 0
Factor:
(x+5)(x-3) = 0
x = -5 or x = 3
==================
Cheers,
Stan H.
Answer by mananth(16949) (Show Source): You can put this solution on YOUR website!
..
multiply by 2
..
x^2+2x-7 =8
x^2+2x-15 =0
x^2+5x-3x-15=0
x(x+5)-3(x+5)=0
(x+5)(x-3)=0
x=-5 OR x=3
...
m.ananth@hotmail.ca
RELATED QUESTIONS
solve the quadatric equations by factoring... (answered by stanbon)
i am doing quadratic equations how do i solve by factoring?
(x-1)^2 =... (answered by ankor@dixie-net.com)
solve the following quadratic equations by factoring or by any other techniques... (answered by stanbon)
I need some help
Solve the following equations by factoring or by any of the... (answered by mathispowerful)
I need to solve these quadratic equations by factoring... p^2+8p+7=0, x^2=24-5x... (answered by ikdeep)
Having trouble factoring:
{{{x-5=7+(1/2)x}}}
need to solve... (answered by Nate)
Solve the following quadratic equations by factoring or by any of the techniques.... (answered by Nate)
Use square roots or factoring to solve the equation.
1/3(x+2)^2=... (answered by Alan3354,checkley77)
solve x^2 - 7x +12 = 0 by factoring
x = -3, -7
-2 = -2,... (answered by rapaljer)