Question

solve & simplify radicals:
115=10x^2-5

Answer 1

\[115 = 10x^2 - 5\]
\[120 = 10x^2\]
\[x^2 = \frac{120}{10}\]
\[x^2 = 12\]

Answer 2

Now,

\(x = \sqrt{12 }\) and \(x = -\sqrt{12}\)

Answer 3

\(x = - 2 \sqrt3 \), \(x = 2 \sqrt3\)