Question

4x^2-25=0

Answer 1

We an add 25 to both sides...

\[\large 4x^2 = 25\]

Take the square root of both sides...

\[\large \sqrt{4x^2} = \sqrt{25}\]
\[\large 2x = \pm 5\]

Divide both sides by 2

\[\large x = \pm \frac{5}{2}\]