Question

solve equation 4=256/x^2

Answer 1

$4 = \frac{256}{ {x}^{2} } \\ {x }^{2} = \frac{256}{4} \\ {x }^{2} = 64 \\ x = + 8 \: or \\ x = - 8 \\ hope \: this \: helps \: you$

Answer 2

$\sqrt {x =}^{2} \sqrt{256 \times 4 = } 32$