Question

calcule as raizes da seguinte equacoes do segundo grau: 2x²-32=0​

Answer 1

Oie, Td Bom?!

$2x {}^{2} - 32 = 0$

$2x {}^{2} = 32$

$x {}^{2} = \frac{32}{2}$

$x {}^{2} = 16$

$x = ± \sqrt{16}$

$x = ±4$

$S = \left \{ - 4 \: , \: 4 \right \}$

Att. Makaveli1996