Question

determinati nr natural x astfel incat:(5^122:5^120-4^180:4^178):3^2=×+1

Answer 1

(5^122:5^120-4^180:4^178):3^2=x+1
(5^2-4^2):3^2=x+1
(25-16):9=x+1
9:9=x+1
1=x+1
x+1=1
x=1-1
x=0

Answer 2

(5^122:5^120-4^180:4^178):3^2=×+1(5^2-4^2):3^2=x+1
9:9=x+1
1=x+1

x+1=1
x=1-1
x=0