Question

1. Solve the equation for x.

x² = 729
  The solution of the equation is x =

Answer 1

x=27 or x=−27

Explanation:

`x^(2)`=729

Step 1: Take square root.

x=±
`√(729)`

x=27 or x=−27

Answer 2

The correct answer is 27. To solve this, you must take the square root of both sides. This leaves you with x = 27.