1.

The product of \[(-3{{x}^{2}}y)+(4{{x}^{2}}y-3x{{y}^{2}}+4x-5y)\]  is

A.  \[12{{x}^{3}}{{y}^{2}}+9{{x}^{2}}{{y}^{2}}-12{{x}^{4}}y+15{{x}^{3}}{{y}^{3}}\]
B.  \[-12{{x}^{4}}{{y}^{2}}+9{{x}^{3}}{{y}^{3}}-12{{x}^{3}}y+15{{x}^{2}}{{y}^{2}}\]
C.  \[-12x{{y}^{2}}+9{{x}^{3}}{{y}^{2}}-12{{x}^{3}}y+15xy\]  
D.  \[-12x{{y}^{3}}+9xy-12x{{y}^{2}}+15{{x}^{2}}y\]
Answer» C.  \[-12x{{y}^{2}}+9{{x}^{3}}{{y}^{2}}-12{{x}^{3}}y+15xy\]  


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