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El resultado de \( \frac{8 x^{2}+22 x-21}{2 x+7} \) es:

Ask by Brooks Dunn. in the United States
Mar 11,2025

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Answer

El resultado es \( 4x - 3 \).

Solution

Calculate or simplify the expression \( (8x^2+22x-21)/(2x+7) \). Simplify the expression by following steps: - step0: Solution: \(\frac{\left(8x^{2}+22x-21\right)}{\left(2x+7\right)}\) - step1: Remove the parentheses: \(\frac{8x^{2}+22x-21}{2x+7}\) - step2: Factor the expression: \(\frac{\left(2x+7\right)\left(4x-3\right)}{2x+7}\) - step3: Reduce the fraction: \(4x-3\) El resultado de la expresión \( \frac{8x^{2}+22x-21}{2x+7} \) es \( 4x-3 \).

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Bonus Knowledge

Para simplificar la expresión \( \frac{8 x^{2}+22 x-21}{2 x+7} \), primero podemos intentar dividir el numerador \( 8x^2 + 22x - 21 \) entre el denominador \( 2x + 7 \) usando la división sintética o la larga. Al hacer la división, encontramos que el resultado es \( 4x + 3 \) con un residuo de \( -42 \). Por lo tanto, podemos expresar la fracción en forma de un polinomio más un residuo: \[ \frac{8 x^{2}+22 x-21}{2 x+7} = 4x + 3 - \frac{42}{2x + 7} \] Así que el resultado es \( 4x + 3 - \frac{42}{2x + 7} \).

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