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14. What is the complete factored form of 4x2 + 20x + 25? A. (2x + 5)2 B. (2x-5)? C. (4x + 5)2

15. Which of the following expressions has factors (x + 3)(+ 3)? A. x2 + 6x + 9 B.x2 - 6x + 9 C. X? + 3x + 9 D. x - 3x + 9​