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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

Sagot :

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

[tex]\begin{gathered} x^2=63\\ \\ x=\pm\sqrt{63}\\ \\ x=\pm\sqrt{3^2\cdot7}\\ \\ x=\pm3\sqrt{7} \end{gathered}[/tex]

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