Question

Resolva as Equações:
a)X2-36=0
b)X2-3=0
c)2X2-8=0


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Answer 1

a)X2-36=0 => x²=36 => x=√36 => x= +6

b)X2-3=0 => x² =3 => x= ±√3

c)2X2-8=0 => 2x²=8 => x²=4 => x=√4 => x=±2