Question

5ײ-15=0
qual e a resposta​

Answer 1

Resposta:

5x²-15=0

5x²=15

x²=3

x=+-√3

Answer 2

Oie, Td Bom?!

$5x {}^{2} - 15 = 0$

$x {}^{2} - 3 = 0$

$x {}^{2} = 3$

$x = ± \sqrt{3}$

$S = \left \{ - \sqrt{3} \: , \: \sqrt{3} \right \}$

Att. Makaveli1996