tolong di bantu dan di jawab yang benar
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Jawaban:
- 10y - 50
- 4a² + 10a
- x² - 2x - 15
- 3x² + 17x + 10
- 4x² - 1
- 2x
- 5y
- x + 2
- x + 4
- 6x + 6y - 2x + 4y = 4x + 10y
Penjelasan dengan langkah-langkah:
1. 5 (2y - 10) = 10y - 50
2. 2a (2a + 6 -1) = 4a²+ 12a - 2a = 4a² + 10a
3. (X + 3) (x-5) =x² -5x + 3x - 15 = x² -2x -15
4. (3x + 2)(x +5) = 3x² + 15x + 2x + 10 = 3x² + 17x + 10
5. (2x +1) (2x-1) = 4x² - 2x + 2x -1 =4x ² -1
6. 4x : 2 = 2x
7. 15y² : 3y = 5y
8. (2x + 4) : 2 = x + 2
9. (X² + 7x +12) : (x + 3) =
(X+4) (x+3)
----------------- = (x+4)
(X+3)
10. 6(x+y) -2(x-2y) = 6 x + 6y - 2x + 2y = 4x + 10y
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