Question

$(+ \frac{2}{7} {y}^{4} {x}^{3}) \div ( + \frac{4}{7} y {x}^{2} ) =$
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Answer 1

Resposta:

$\sf \left ( + \dfrac{2}{7} y^4x^3\right ) \div \left (+\dfrac{4}{7}yx^{2} \right )$

$\sf \dfrac{ +\dfrac{2}{7}\; y^4x^3 }{+\dfrac{4}{7} \;yx^{2} } = \dfrac{2\times 7 y^{(4- 1)}x^{(3-2)}}{4 \times 7} = \dfrac{14 y^3x^1}{28} = \dfrac{y^3 x}{2}$

Explicação passo-a-passo: