529 is a perfect square. When x is added to the square root of 529, the result is also a perfect square. What is x?	Choose the correct choice from the following choices
A) 1 B) 2 C) 3 D) 4 E) 5
529 is 23*23   here   A 23+1= 
<gadget id="calculator">23+1</gadget>
<output>24</output>
24   B   23+2= 
<gadget id="calculator">  23+2</gadget>
<output>25</output>
25   C   23+3= 
<gadget id="calculator">  23+3</gadget>
<output>26</output>
26   D   23+4= 
<gadget id="calculator">  23+4</gadget>
<output>27</output>
27   E   23+5= 
<gadget id="calculator">  23+5</gadget>
<output>28</output>
28   so, B is the only addition that gives a perfect square. so x=3   then the answer is 2
<result>B</result>
529 is a perfect square. When x is added to the square root of 529, the result is also a perfect square. What is x?