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Mathematics 15 Online
OpenStudy (anonymous):

4x^2+20x+25=0

OpenStudy (anonymous):

\[x = \frac{-20 \pm \sqrt{400 -400}}{8}\]

OpenStudy (anonymous):

\[x=\frac{-20}{8}\]

OpenStudy (akshay_budhkar):

use the quadatic equation formula

OpenStudy (akshay_budhkar):

*quadratic

OpenStudy (anonymous):

4x^2+10x+10x+25=0 2x(2x+5)+5(2x+5)=0 x=-5/2

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