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x^{2}-\frac{1}{2}x-\left(3x+\frac{1}{2}x^{3}-\frac{1}{2}x^{2}-7x-x^{3}+\frac{\left(-2x^{3}\right)^{2}}{\left(2x\right)^{3}}\right)
Para calcular o oposto de \frac{1}{2}x^{2}+7x+x^{3}, calcule o oposto de cada termo.
x^{2}-\frac{1}{2}x-\left(-4x+\frac{1}{2}x^{3}-\frac{1}{2}x^{2}-x^{3}+\frac{\left(-2x^{3}\right)^{2}}{\left(2x\right)^{3}}\right)
Combine 3x e -7x para obter -4x.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{\left(-2x^{3}\right)^{2}}{\left(2x\right)^{3}}\right)
Combine \frac{1}{2}x^{3} e -x^{3} para obter -\frac{1}{2}x^{3}.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{\left(-2\right)^{2}\left(x^{3}\right)^{2}}{\left(2x\right)^{3}}\right)
Expanda \left(-2x^{3}\right)^{2}.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{\left(-2\right)^{2}x^{6}}{\left(2x\right)^{3}}\right)
Para aumentar uma potência para outra potência, multiplique os expoentes. Multiplique 3 e 2 para obter 6.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{4x^{6}}{\left(2x\right)^{3}}\right)
Calcule -2 elevado a 2 e obtenha 4.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{4x^{6}}{2^{3}x^{3}}\right)
Expanda \left(2x\right)^{3}.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{4x^{6}}{8x^{3}}\right)
Calcule 2 elevado a 3 e obtenha 8.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{x^{3}}{2}\right)
Anule 4x^{3} no numerador e no denominador.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{2}\right)
Combine -\frac{1}{2}x^{3} e \frac{x^{3}}{2} para obter 0.
x^{2}-\frac{1}{2}x+4x+\frac{1}{2}x^{2}
Para calcular o oposto de -4x-\frac{1}{2}x^{2}, calcule o oposto de cada termo.
x^{2}+\frac{7}{2}x+\frac{1}{2}x^{2}
Combine -\frac{1}{2}x e 4x para obter \frac{7}{2}x.
\frac{3}{2}x^{2}+\frac{7}{2}x
Combine x^{2} e \frac{1}{2}x^{2} para obter \frac{3}{2}x^{2}.
x^{2}-\frac{1}{2}x-\left(3x+\frac{1}{2}x^{3}-\frac{1}{2}x^{2}-7x-x^{3}+\frac{\left(-2x^{3}\right)^{2}}{\left(2x\right)^{3}}\right)
Para calcular o oposto de \frac{1}{2}x^{2}+7x+x^{3}, calcule o oposto de cada termo.
x^{2}-\frac{1}{2}x-\left(-4x+\frac{1}{2}x^{3}-\frac{1}{2}x^{2}-x^{3}+\frac{\left(-2x^{3}\right)^{2}}{\left(2x\right)^{3}}\right)
Combine 3x e -7x para obter -4x.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{\left(-2x^{3}\right)^{2}}{\left(2x\right)^{3}}\right)
Combine \frac{1}{2}x^{3} e -x^{3} para obter -\frac{1}{2}x^{3}.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{\left(-2\right)^{2}\left(x^{3}\right)^{2}}{\left(2x\right)^{3}}\right)
Expanda \left(-2x^{3}\right)^{2}.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{\left(-2\right)^{2}x^{6}}{\left(2x\right)^{3}}\right)
Para aumentar uma potência para outra potência, multiplique os expoentes. Multiplique 3 e 2 para obter 6.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{4x^{6}}{\left(2x\right)^{3}}\right)
Calcule -2 elevado a 2 e obtenha 4.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{4x^{6}}{2^{3}x^{3}}\right)
Expanda \left(2x\right)^{3}.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{4x^{6}}{8x^{3}}\right)
Calcule 2 elevado a 3 e obtenha 8.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{3}-\frac{1}{2}x^{2}+\frac{x^{3}}{2}\right)
Anule 4x^{3} no numerador e no denominador.
x^{2}-\frac{1}{2}x-\left(-4x-\frac{1}{2}x^{2}\right)
Combine -\frac{1}{2}x^{3} e \frac{x^{3}}{2} para obter 0.
x^{2}-\frac{1}{2}x+4x+\frac{1}{2}x^{2}
Para calcular o oposto de -4x-\frac{1}{2}x^{2}, calcule o oposto de cada termo.
x^{2}+\frac{7}{2}x+\frac{1}{2}x^{2}
Combine -\frac{1}{2}x e 4x para obter \frac{7}{2}x.
\frac{3}{2}x^{2}+\frac{7}{2}x
Combine x^{2} e \frac{1}{2}x^{2} para obter \frac{3}{2}x^{2}.