SNOWALT154IN SNOWALT154IN Math Answered Representation and final answer1. (3x² + 4x) + (-x² + 4)2. (-4x² + 1) - (-x² - 3x) 3. (-4x² + x -1) + (-x² + 3x - 4)4. (-x² - 2x + 1) + (-x² - 3x - 2)5. (-4x² + 1) - (3x² + 4x)