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[TEX]a)A=4x^2-8x+15[/TEX]
[TEX]b)B=-x^2-8x+5[/TEX]
[TEX]c)C=-x^2+6x+1[/TEX]
[TEX]d)D=-3x^2+12x+11[/TEX]
[TEX]e)E=2x^2+20x-43[/TEX]
[TEX]b)B=-x^2-8x+5[/TEX]
[TEX]c)C=-x^2+6x+1[/TEX]
[TEX]d)D=-3x^2+12x+11[/TEX]
[TEX]e)E=2x^2+20x-43[/TEX]
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