1 classifique em equações completa e incompleta A) -2x²-4x=0
 B) 2x²=0


C) 3x²-4=0


D) -x²-x-4=0


E)-x²-2x-4=0


F) -2x²+5x=0


G)x²-6x-1=0


H)-x²-6=0


I)-x²-x-2=0


j)-1x²-x-3=0

 



2 calcule


A)4x²-100=0


B)20x²-100=0
 C)-2x²+64=0


D)5x²+45=0


E)3x²-36=0


f)2x²-98=0
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