Question

Qual respostade 3x(x+2) ingual =0?

Answer 1

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$3x(x+2)=0$

$3x^2+6x=0$

$x(3x+6)=0$

$x=0\:\:V\:\:3x=-6$

$x=0\:\:V\:\:x=\frac{-6}{3}$

$x=0\:\:V\:\:x=-2$

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