Question

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Answer 1

Respuesta:

$\frac{30x^{5} + 20 {x}^{3} - 10x }{10x}$

$\frac{10x(3 {x}^{4} + 2x ^{2} - 1)}{10x}$

$3 {x}^{4} + 2x {}^{2} - 1$