Respuesta :

n=3

4n^2=36 (17+19=36)

36/4=9

Take the square root of 9 since n was a squared

And that’s how you would get n=3


Answer: n=3,-3

Step-by-step explanation:

4n^2 -17=19. Bring the 19 to the other side

4n^2 - 36 = 0. Factor the difference of squares

(2n + 6)(2n - 6). Solve both