Question

Solve for x and simplify your solutions:x^2 = 63Select ALL the correct answers.answer choices include:18√79√7-3√73√7-18√7-9√7

Answer 1

In order to find the correct answers, let's simplify the equation by calculating the square root of both sides of the equation:

`\begin{gathered} x^2=63\\ \\ x=\pm√(63)\\ \\ x=\pm√(3^2\cdot7)\\ \\ x=\pm3√(7) \end{gathered}`

Therefore the correct options are 3√7 and -3√7.