Question

What is the value of x in the equaton

`{25}x^(2) = 16`

Answer 1

`25x^2=16\ \ \ |:25\\\\x^2=(16)/(25)\to x=\pm\sqrt{(16)/(25)}\\\\x=-(√(16))/(√(25))\ \vee\ x=(√(16))/(√(25))\\\\\boxed{x=-(4)/(5)\ \vee\ x=(4)/(5)}`