please help!!!!!!!!!!!!
Will mark brainliest

Answer:
○ [tex]\displaystyle 25[/tex]
Step-by-step explanation:
[tex]\displaystyle 4 = 2\sqrt{25} - 6 \\ 4 = 2[5] - 6 \\ \\ 4 = 10 - 6[/tex]
I am joyous to assist you at any time.