Question

Resolva as equações incompletas 5ײ-15=0​

Answer 1

Resposta:

Olá bom dia!

$5x^2 - 15 = 0$

$5x^2 =15$

$x^2 = \frac{15}{5}$

$x^2 = 3$

$x' = \sqrt{3}$

$x''=-\sqrt{3}$

$S = \ -\sqrt{3} ;\ +\sqrt{3}}$