• November 8th 2008, 12:44 PM
william
x2 – 50 = 0
• November 8th 2008, 12:55 PM
mr fantastic
Quote:

Originally Posted by william
x2 – 50 = 0

$x^2 - 50 = 0 \Rightarrow (x - \sqrt{50}) (x + \sqrt{50}) = 0$ ....
• November 8th 2008, 12:59 PM
william
thanks for you help!
• November 8th 2008, 01:25 PM
kathrynmath
Always use the quadratic formula if you get stuck.
• November 8th 2008, 01:27 PM
R_W|F_N
x = (-b +/- sqrt(b-4ac))/2a

:D

p.s. has this place got a tex help page? i'd like ot know how to incorporate it into my posts.
• November 8th 2008, 04:40 PM
mr fantastic
Quote:

Originally Posted by kathrynmath
Always use the quadratic formula if you get stuck.

NB: When the question prescribes a particular method, in this case:

Quote: