smbxnxcjk7 smbxnxcjk7 29-01-2024 Mathematics contestada Select the correct answer from each drop-down menu. Simplify the following polynomial expression. (3x²z - 7) - (5x² - 4x − 2) + (x + 3)(x + 2) The polynomial simplifies to an expression that is a with a degree of 2v