Question

find the least number that should be subtracted from 400 to make it a perfect square step by step ​

Answer 1

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0 ɪs ᴛʜᴇ ʟᴇᴀsᴛ ɴᴜᴍʙᴇʀ ᴛʜᴀᴛ sʜᴏᴜʟᴅ ʙᴇ sᴜʙᴛʀᴀᴄᴛᴇᴅ ғʀᴏᴍ 400 ᴛᴏ ᴍᴀᴋᴇ ɪᴛ ᴀ ᴘᴇʀғᴇᴄᴛ sǫᴜᴀʀᴇ ɴᴜᴍʙᴇʀ.

400 ɪs ᴀʟʀᴇᴀᴅʏ ᴀ ᴘᴇʀғᴇᴄᴛ sǫᴜᴀʀᴇ ɴᴜᴍʙᴇʀ