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Simplificar -2(x-1)*(1+x)³+3(1+x)*(1-x)²

1 Answer

4 votes

Answer:


{ - 2x}^(4) - {x}^(3) - 3 {x}^(2) + x + 5

Explanation:


- 2(x - 1) * ({1 + x})^(3) + 3(1 + x) * ( {1 - x})^(2) = ( - 2x + 2) * (1 + 3x + 3 {x}^(2) + {x}^(3) ) + (3 + 3x) * (1 - 2x + {x}^(2) ) = ( - 2x - 6 {x}^(2) - 6 {x}^(3) - 2 {x}^(4) + 2 + 6x + 6 {x}^(2) + 2 {x}^(3) ) + (3 - 6x + 3 {x}^(2) + 3x - 6 {x}^(2) + 3 {x}^(3) ) = x - {x}^(3) - 2 {x}^(4) + 2 + 3 + 3 {x}^(2) - 6 {x}^(2) = x - {x}^(3) - 2 {x}^(4) + 5 - 3 {x}^(2) = - 2 {x}^(4) - {x}^(3) - 3 {x}^(2) + x + 5

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