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KetthyLorenzetti
@KetthyLorenzetti
December 2019
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Resolva as seguintes equações incompletas do 2°Grau, Sendo U=IR a) x^-7x=0 b) 3x^+4x=0 c) 6x^-6=0
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Kayk0607
A)x^-7x=0
x(x-7)=0
x=0
x-7=0
x=7
b)3x^+4x=0
x(3x+4)=0
x=0
3x+4=0
3x=4
x=3/4
c)6x^-6=0
6x^=6
x^=6/6
x^=1
x=+ ou -Raiz quadrada de 1
x=+ou- 1
1 votes
Thanks 1
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x(x-7)=0
x=0
x-7=0
x=7
b)3x^+4x=0
x(3x+4)=0
x=0
3x+4=0
3x=4
x=3/4
c)6x^-6=0
6x^=6
x^=6/6
x^=1
x=+ ou -Raiz quadrada de 1
x=+ou- 1