1.

Simplify:- \[\frac{{{a}^{2}}-13a+30}{(a-10)}=\frac{{{a}^{2}}+4a+4}{a+2}\]

A.  \[{{a}^{2}}-8a-20=0\]      
B.  \[{{a}^{2}}+30a-40=0\]  
C.  \[{{a}^{2}}-80a-30=0\]    
D.  \[{{a}^{2}}+7a-30=0\]
Answer» B.  \[{{a}^{2}}+30a-40=0\]  


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