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Mathematics 20 Online
OpenStudy (scarlettfarra2000):

Need help questions are below

OpenStudy (scarlettfarra2000):

Add. Simplify by collecting like radical terms if possible \[6\sqrt{72}+9\sqrt{18}\]

OpenStudy (er.mohd.amir):

since sqrt(a*a)=a and 72=2*36=2*6*6 18=2*3*3

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