Question

me ajudem

2x² - 3/4 = x² + 1/4
???????????????????????

Answer 1

$2x^{2} -\dfrac{3}{4} =x^{2} +\dfrac{1}{4} \\ \\\\ \\ 2x^{2} -x^{2} =\dfrac{1}{4}+\dfrac{3}{4}\\ \\\\ x^{2} =\dfrac{4}{4} \\ \\ \\ x^{2} =1\\ \\ \sqrt{x^{2} } =\sqrt{1} \\ \\ \\ \boxed{x=\pm1}$

Resposta:

x = 1

x= -1

:)