hbbarr1760 hbbarr1760 07-08-2024 Mathematics Answered 3. Write each of these expressions in the form p(x + q)² + r, where p, q and r are constants to be found: a. 2x² + 8x + 1 b. 5x² - 15x + 3 c. 3x² + 2x - 1 d. 10 - 16x - 4x² e. 2x - 8x² + 10