Efectúa las siguientes operaciones con fracciones algebraicasa) x 2 / x - 1 3x / x 5b) x2 - 3 / x - 1 - x - 1 / x2 x - 2c) x 3 / x2 - x - 2 x - 1 / x2 4x 3d) 3x3 / x2 - x - 6 - x 2 / 2x2 4x - 3por fa ?

A)

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d)

<img src="https://tex.z-dn.net/?f=%5Cdfrac%7B3x%5E3%7D%7Bx%5E2-x-6%7D-%5Cdfrac%7Bx%5E2%7D%7B2x%5E2%2B4x-3%7D%3D%5Cdfrac%7B3x%5E3%282x%5E2%2B4x-3%29-x%5E2%28x%5E2-x-6%29%7D%7B%28x%5E2-x-6%29%282x%5E2%2B4x-3%29%7D%5C%5C%20%5C%5C%20%5C%5C%0A%5Cdfrac%7B3x%5E3%7D%7Bx%5E2-x-6%7D-%5Cdfrac%7Bx%5E2%7D%7B2x%5E2%2B4x-3%7D%3D%5Cdfrac%7B6x%5E5%2B12x%5E4-9x%5E3-x%5E4%2Bx%5E3%2B6x%5E2%7D%7B%28x%5E2-x-6%29%282x%5E2%2B4x-3%29%7D%5C%5C%20%5C%5C%20%5C%5C%0A%5Cdfrac%7B3x%5E3%7D%7Bx%5E2-x-6%7D-%5Cdfrac%7Bx%5E2%7D%7B2x%5E2%2B4x-3%7D%3D%5Cdfrac%7B6x%5E5%2B11x%5E4-8x%5E3%2B6x%5E2%7D%7B%28x%5E2-x-6%29%282x%5E2%2B4x-3%29%7D" />.