1.

The solution set of \[(x+y)(y+2z)\] is

A.  \[\frac{{{x}^{2}}}{4}-\frac{{{y}^{2}}}{9}\] 
B.  \[\left( \frac{x}{4}+\frac{y}{9} \right),\left( \frac{x}{4}-\frac{y}{9} \right)\]
C.  \[\left( \frac{x}{2}+\frac{y}{9} \right),\left( \frac{x}{2}-\frac{y}{9} \right)\]   
D.  \[\left( \frac{x}{2}+\frac{y}{3} \right),\left( \frac{x}{2}-\frac{y}{3} \right)\]
Answer» B.  \[\left( \frac{x}{4}+\frac{y}{9} \right),\left( \frac{x}{4}-\frac{y}{9} \right)\]


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