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12 Feb 2006, 11:37
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guys, looks like i am getting pathetic...
i took a power prep today , n it was a disaster got 580
. have my GMAT on wednesday... i am not this bad. i screwed up coz of some distractions but i suddenly forgot how to solve a simple equ.
ok can come one help me in solving a equation
x^2+6x+5=0 . with steps pls
i took a power prep today , n it was a disaster got 580
. have my GMAT on wednesday... i am not this bad. i screwed up coz of some distractions but i suddenly forgot how to solve a simple equ.
ok can come one help me in solving a equation
x^2+6x+5=0 . with steps pls
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12 Feb 2006, 14:16
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razrulz
. have my GMAT on wednesday... i am not this bad. i screwed up coz of some distractions but i suddenly forgot how to solve a simple equ.Just relax. The week before the exam is always like that. Just consider it practice for the real thing and you'll be fine.
to solve x^2+6x+5=0 you could go two ways:
1. if you notice this eqn. is of the form x^2+bx+c=0
if you can find two numbers whose sum=b and product =c.
Here the numbers are 1,5
c=1*5 and b=1+5
then x^2+6x+5=0 => (x+1)(x+5)=0
so x=-1, or -5
2. OR you could use the following to find the roots of any quadratic eqn. of the above form
x= (-b +/- sqrt( b^2 - 4ac))/2a
hope it helps!
