Question

(-5)^2-4^2+1
------------------
3^-2+1

Answer 1

(-5)^2-4^2+1
------------------
3^-2+1

(25-16+1)/ (1/9+1)
(10) / (1/9 + 9/9)
10 / (10/9)
10 * 9 /10
90/10
9