Matematika 1. X² + 8x + 12 = 02. X² + 8x + 15 = 03. X² + 12x + 27 = 04. 3x² - 5x + 2 = 05. 5x² - 2x -3 = 0tolong bantu menyelesaikan jawabannya terimakasih​

camilabartellulv – April 05, 2023

1. X² + 8x + 12 = 0
2. X² + 8x + 15 = 0
3. X² + 12x + 27 = 0
4. 3x² - 5x + 2 = 0
5. 5x² - 2x -3 = 0

tolong bantu menyelesaikan jawabannya terimakasih​

Jawab:

x² + 8x + 12 = 0

(x + 6)(x + 2) = 0

x + 6 = 0 atau x + 2 = 0

x = -6 atau x = -2

---

x² + 8x + 15 = 0

(x + 3)(x + 5) = 0

x + 3 = 0 atau x + 5 = 0

x = -3 atau x = -5

---

x² + 12x + 27 = 0

(x + 9)(x + 3) = 0

x + 9 = 0 atau x + 3 = 0

x = -9 atau x = -3

---

3x² - 5x + 2 = 0

(3x - 1)(x - 2) = 0

3x - 1 = 0 atau x -2 = -0

x = 1/3 atau x = 2

--

5x² - 2x -3 = 0

(5x + 3)(x - 1) = 0

5x + 3 = 0 atau x - 1 = 0

x = -3/5 atau x = 1

[answer.2.content]