Question

16x² =25 como resolver?

Answer 1

$16x^2=25\\ \\ x^2=\dfrac{25}{16}\\ \\ x=\pm\sqrt{\dfrac{25}{16}}\\ \\ x=\pm\dfrac{\sqrt{25}}{\sqrt{16}}\\ \\ \\ \boxed{x=\pm\dfrac{5}{4}}$