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Divission of rational expressions

Divide and simplify the following expression.

x^2-49/x ÷ x+7/x-7

Guest Nov 17, 2015

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Best Answer

Divide and simplify the following expression.

x^2-49/x ÷ x+7/x-7

$\dfrac{\frac{x^2-49}{x}}{\frac{x+7}{x-7}}=\dfrac{x^2-49}{x}\dfrac{x-7}{x+7}=$

$\dfrac{(x-7)(x+7)(x-7)}{x(x+7)}=\dfrac{(x-7)^2}{x}$

Rom Nov 17, 2015

Rom · Answer 1 · 2015-11-17T07:33:31

Divide and simplify the following expression.

x^2-49/x ÷ x+7/x-7

$\dfrac{\frac{x^2-49}{x}}{\frac{x+7}{x-7}}=\dfrac{x^2-49}{x}\dfrac{x-7}{x+7}=$

$\dfrac{(x-7)(x+7)(x-7)}{x(x+7)}=\dfrac{(x-7)^2}{x}$