Question

x² - 121 = 0 x2-27 = 0
me ayudan ?​

Answer 1

x² - 121 = 0

(x + 11)(x - 11) = 0

x + 11 = 0      x - 11 = 0

x = -11            x = 11

CS = ( -11; 11 )

 

x²- 27  = 0

x² =  27

$\sqrt{x^{2} } = \sqrt{27}\\\\x = +/-3\sqrt{3} \\ \\x_{1} = -3\sqrt{3}\\\\\\x_{2} = +3\sqrt{3}$  

Eternamente axlxla