Question

what should be subtraxted from x³-4x²+5x-8 to obtain x³-5x²-x+5?​

Answer 1

Answer:

$( {x}^{3} - 4 {x}^{2} + 5x - 8) -( {x}^{3} - 5 {x}^{2} - x + 5) \\ {x}^{3} - 4 {x}^{2} + 5x - 8 - {x}^{3} + 5 {x}^{2} + x - 5 \\ {x}^{3} - {x}^{3} - 4 {x}^{2} + 5 {x}^{2} + 5x + x - 8 - 5 \\ - {x}^{2} + 6x - 13$

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Answer 2

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