His carefree handwriting resulted from hurry and carelessness, not from his inability to form the letters correctly.
His daring handwriting resulted from hurry and carelessness, not from his inability to form the letters correctly.
His unreadable handwriting resulted from hurry and carelessness, not from his inability to form the letters correctly.
His illicit handwriting resulted fron hurry and carelessness, not from his inability to form the letters correctly.