You find the square root of the number and then finish the equation. For example: √9 + 10 = √16 + 9 Would be equal, because the square root of 9 would be 3 and 3 + 10 = 13. The square root of 16 would be 4, and 4 + 9 would be 13. Therefore 13 = 13. Hope this helped.
