Question

2x^(2)-1=34:2

me ayudan porfaa​

Answer 1

Respuesta:

2x^(2)-1=34:2

$2x^2-1=17\\2x^2-1+1=17+1\\2x^2=18\\\\\frac{2x^2}{2}=\frac{18}{2}\\\\x^2=9\\x=\sqrt{9},\:x=-\sqrt{9}\\x=3$