Solve each equation by factoring. 12-27n^2=0

asked Jul 16, 2015 89.0k views

5 votes

Solve each equation by factoring.
12-27n^2=0

by Cassy

8.2k points

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2 votes

$12-27n^2=0\ \ \ \ /-12\\\\-27n^2=-12\ \ \ \ /:(-27)\\\\n^2=(-12)/(-27)\\\\n^2=(4)/(9)\\\\n=\pm\sqrt(4)/(9)\\\\n=-(2)/(3)\ \vee\ n=(2)/(4)$

Bla answered Jul 20, 2015