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Add: 2x3-9x2+8, 3x2-6x-5, 7x3-10x+1 and 3+2x-5x2-4x3

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Given 2x3-9x2+8, 3x2-6x-5, 7x3-10x+1 and 3+2x-5x2-4x3

To add the given expression we have arrange them column wise is given below:

2x3-9x2+8

7x3-10x+1

3x2– 6x- 5

-4x3-5x2+2x+3

5x3-11x2-14x+7

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