Question

rezolva in R ecuatia x^2=100/121

Answer 1

x = $\sqrt{100/121}$
x = + - 10/11 
x = + - 0,(90)

Answer 2

x²=100/121
x²-100/121=0
x²=10²/11²=0
x²-(10/11)²=0
(x-10/11)(x+10/11)=0
x1=10/11
x2=-10/11
as simple as that!!