Question

Solve the equation 100x^2=64

Answer 1

$100x^2 = 64$
$x^2 = \frac{64}{100}$ <-- Divide both sides by 100
$x = \frac{8}{10}$ <-- Take the square root of both sides
$x = \frac{4}{5}$ <-- Simplify.

So, the answer is x = 4/5 or x = -4/5.