1)encontre as raizes das equacoes incompletas do 2º grau abaixo. a)x²-49=0
b)x²=1
c)2x²-50=0
d)3(x²-1)=24
e)5(x²-1)=4(x²+1)
f)(x-3)(x+4)+8=x
b)x²=1
c)2x²-50=0
d)3(x²-1)=24
e)5(x²-1)=4(x²+1)
f)(x-3)(x+4)+8=x
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