help me i do not get this

Algebra
Tutor: None Selected Time limit: 1 Day

Feb 12th, 2015

use the formula,

x = (-b +- sqrt ( b^2 - 4ac)/2

here, a = 1, b=9 and c= 9

putting in above formula,

you will get that 1st option is the correct answer!


Please appreciate my help, by selecting my answer as the best, and add me as your tutor, Thanks!


Feb 12th, 2015

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Feb 12th, 2015
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Feb 12th, 2015
Dec 5th, 2016
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