Learning Task 1. Factor the following completely.
1. x2 + 3x – 18
6. 18x2 + 3x – 15
2. 3x3 + 24
7. 3x2 – 9x – 12
3. 5x2 + 32x + 12
8. X2 - 25
4. 3X2 + 30X + 75
9. 5X3 - 5X2 -10X
5. 2X2 –15X –8
10. X3 - 27
1. x2 + 3x – 18
6. 18x2 + 3x – 15
2. 3x3 + 24
7. 3x2 – 9x – 12
3. 5x2 + 32x + 12
8. X2 - 25
4. 3X2 + 30X + 75
9. 5X3 - 5X2 -10X
5. 2X2 –15X –8
10. X3 - 27
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Answer:
5x-18
3(x-1)(6x-5)
9x+24
-3x-12
42x+12 or 6(7x + 2)
NOT SURE
1. (x-3)(x+6)
2. 3(6x-5)(x+1)
3. 3(x+2)(x²-2x+4)
4. 3(x-4)(x+1)
5. (x+6)(5x+2)
6. (x-5)(x+5)
7. 3(x+5)²
8. 5x(x-2)(x+1)
9. (x-8)(2x+1)
10. (x-3)(x²+3x+9)
6. 18x² + 3x – 15 = 3(6x-5)(x+1)
2. 3x³ + 24 = 3(x+2)(x²-2x+4)
7. 3x² – 9x – 12 = 3(x-4)(x+1)
3. 5x² + 32x + 12 = (x+6)(5x+2)
8. x2 - 25 = (x-5)(x+5)
4. 3x² + 30x + 75 = 3(x+5)²
9. 5x³- 5x² -10x = 5x(x-2)(x+1)
5. 2x²–15x –8 = (x-8)(2x+1)
10. x³ - 27 = (x-3)(x²+3x+9)