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Mathematics
OpenStudy (anonymous):

QUESTION BELOW ! PLEASE PLEASE PLEASE PLEASE HELP ME ON THIS.

OpenStudy (anonymous):

OpenStudy (mertsj):

He violated the rule for adding radical expressions. The rule is that you add radicals that have the same radicand by adding the coefficients.

OpenStudy (mathmagician):

1. Nakim did not study enough 2. \[3\sqrt(2x)+x*\sqrt(8x)-5\sqrt(18x)=3\sqrt(2x)-2x*\sqrt(2x)-15\sqrt(2x)=-2x*\sqrt(2x)-12\sqrt(2x)\]\[-2*\sqrt(2x)*(x+6)\]

OpenStudy (mathmagician):

oh, made a mistake should be\[+2x*\sqrt(2x)\]

OpenStudy (mertsj):

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