ʜᴇʟʟᴏ ᴍᴀᴛᴇ!a² - ( B - C )²As, x² - y² = ( X + y )( x - y )a² - ( b - c )² = ( a + b - c )[ a - ( b - c ) ]= ( a + b - c )( a - b + c )HOPE it HELPS
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