Simplify ((x^2+x+1)/((x+1)^2-x^2))÷((x+1/(1+x))/(x+x/(1+x)))

$\frac{x^{2} + x + 1}{{(x + 1)}^{2} - x^{2}} \div \frac{x + \frac{1}{1 + x}}{x + \frac{x}{1 + x}}$

To divide by a fraction, multiply by its reciprocal.

$\frac{x^{2} + x + 1}{{(x + 1)}^{2} - x^{2}} \cdot \frac{x + \frac{x}{1 + x}}{x + \frac{1}{1 + x}}$

Simplify the denominator.

Since both terms are perfect squares, factor using the difference of squares formula, $a^{2} - b^{2} = (a + b) (a - b)$ where $a = x + 1$ and $b = x$ .

$\frac{x^{2} + x + 1}{(x + 1 + x) (x + 1 - x)} \cdot \frac{x + \frac{x}{1 + x}}{x + \frac{1}{1 + x}}$

Simplify.

Add $x$ and $x$ .

$\frac{x^{2} + x + 1}{(2 x + 1) (x + 1 - x)} \cdot \frac{x + \frac{x}{1 + x}}{x + \frac{1}{1 + x}}$

Subtract $x$ from $x$ .

$\frac{x^{2} + x + 1}{(2 x + 1) (0 + 1)} \cdot \frac{x + \frac{x}{1 + x}}{x + \frac{1}{1 + x}}$

Add $0$ and $1$ .

$\frac{x^{2} + x + 1}{(2 x + 1) \cdot 1} \cdot \frac{x + \frac{x}{1 + x}}{x + \frac{1}{1 + x}}$

Multiply $2 x + 1$ by $1$ .

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x + \frac{x}{1 + x}}{x + \frac{1}{1 + x}}$

Multiply the numerator and denominator of the complex fraction by $1 + x$ .

Multiply $\frac{x + \frac{x}{1 + x}}{x + \frac{1}{1 + x}}$ by $\frac{1 + x}{1 + x}$ .

$\frac{x^{2} + x + 1}{2 x + 1} (\frac{1 + x}{1 + x} \cdot \frac{x + \frac{x}{1 + x}}{x + \frac{1}{1 + x}})$

Combine.

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{(1 + x) (x + \frac{x}{1 + x})}{(1 + x) (x + \frac{1}{1 + x})}$

Apply the distributive property.

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{(1 + x) x + (1 + x) \frac{x}{1 + x}}{(1 + x) x + (1 + x) \frac{1}{1 + x}}$

Simplify by cancelling.

Cancel the common factor of $1 + x$ .

Cancel the common factor.

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{(1 + x) x + (1 + x) \frac{x}{1 + x}}{(1 + x) x + (1 + x) \frac{1}{1 + x}}$

Rewrite the expression.

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{(1 + x) x + x}{(1 + x) x + (1 + x) \frac{1}{1 + x}}$

Cancel the common factor of $1 + x$ .

Cancel the common factor.

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{(1 + x) x + x}{(1 + x) x + (1 + x) \frac{1}{1 + x}}$

Rewrite the expression.

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{(1 + x) x + x}{(1 + x) x + 1}$

Simplify the numerator.

Factor $x$ out of $(1 + x) x + x$ .

Factor $x$ out of $(1 + x) x$ .

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (1 + x) + x}{(1 + x) x + 1}$

Raise $x$ to the power of $1$ .

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (1 + x) + x^{1}}{(1 + x) x + 1}$

Factor $x$ out of $x^{1}$ .

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (1 + x) + x \cdot 1}{(1 + x) x + 1}$

Factor $x$ out of $x (1 + x) + x \cdot 1$ .

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (1 + x + 1)}{(1 + x) x + 1}$

Add $1$ and $1$ .

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (x + 2)}{(1 + x) x + 1}$

Simplify the denominator.

Apply the distributive property.

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (x + 2)}{1 x + x \cdot x + 1}$

Multiply $x$ by $1$ .

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (x + 2)}{x + x \cdot x + 1}$

Multiply $x$ by $x$ .

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (x + 2)}{x + x^{2} + 1}$

Reorder terms.

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (x + 2)}{x^{2} + x + 1}$

Simplify terms.

Cancel the common factor of $x^{2} + x + 1$ .

Cancel the common factor.

$\frac{x^{2} + x + 1}{2 x + 1} \cdot \frac{x (x + 2)}{x^{2} + x + 1}$

Rewrite the expression.

$\frac{1}{2 x + 1} (x (x + 2))$

Combine $x$ and $\frac{1}{2 x + 1}$ .

$\frac{x}{2 x + 1} (x + 2)$

Multiply $\frac{x}{2 x + 1}$ by $x + 2$ .

$\frac{x (x + 2)}{2 x + 1}$

Simplify ((x^2+x+1)/((x+1)^2-x^2))÷((x+1/(1+x))/(x+x/(1+x)))

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