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Polynomials
(Answer ID # 0868767)
What is the missing factor?

1.   f(x) = 4x3 + 60x2 + 224x  
= ( ? )(x + 8)(4x)
2.   f(x) = -2x3 + 24x2 - 64x  
= ( ? )(x - 4)(-2x)
3.   f(x) = -3x3 + 72x2 - 432x  
= ( ? )(x - 12)(x - 12)
4.   f(x) = -3x3 + 6x2 + 189x  
= ( ? )(-3x)(x + 7)
5.   f(x) = -x3 - 16x2 - 55x  
= ( ? )(x + 11)(x + 5)
6.   f(x) = 2x3 - 10x2 - 168x  
= ( ? )(x - 12)(x + 7)
7.   f(x) = -x3 + 4x2 - 4x  
= ( ? )(-x)(x - 2)
8.   f(x) = -4x3 - 12x2 + 280x  
= ( ? )(x + 10)(-4x)
9.   f(x) = -4x3 + 64x2 - 240x  
= ( ? )(x - 10)(x - 6)
10.   f(x) = -2x3 + 12x2 + 80x  
= ( ? )(x - 10)(-2x)
11.   f(x) = 3x3 - 9x2 - 30x  
= ( ? )(x - 5)(3x)
12.   f(x) = x3 - 8x2 + 16x  
= ( ? )(x - 4)(x)
13.   f(x) = x3 - 6x2 + 12x - 72  
= ( ? )(x - 6)
14.   f(x) = x3 - 12x2 - x + 252  
= ( ? )(x + 4)(x - 9)
15.   f(x) = x3 - 3x2 - 54x  
= ( ? )(x - 9)(x + 6)
16.   f(x) = -x3 - 8x2 + 20x  
= ( ? )(-x)(x - 2)
17.   f(x) = x3 - 3x2 - 10x + 30  
= ( ? )(x - 3)
18.   f(x) = 4x3 - 40x2 - 96x  
= ( ? )(x + 2)(x - 12)
19.   f(x) = x3 - 21x2 + 116x - 96  
= ( ? )(x - 1)(x - 8)
20.   f(x) = -x3 - 12x2 - 20x  
= ( ? )(x + 2)(x + 10)

 

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