Algebra Examples

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 {(x + 1)}^{6} - 11}{x (x + 2)}$

Step 1

Use the Binomial Theorem.

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} \cdot 1 + 15 x^{4} \cdot 1^{2} + 20 x^{3} \cdot 1^{3} + 15 x^{2} \cdot 1^{4} + 6 x \cdot 1^{5} + 1^{6}) - 11}{x (x + 2)}$

Step 2

Simplify each term.

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Step 2.1

Multiply $6$ by $1$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} \cdot 1^{2} + 20 x^{3} \cdot 1^{3} + 15 x^{2} \cdot 1^{4} + 6 x \cdot 1^{5} + 1^{6}) - 11}{x (x + 2)}$

Step 2.2

One to any power is one.

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} \cdot 1 + 20 x^{3} \cdot 1^{3} + 15 x^{2} \cdot 1^{4} + 6 x \cdot 1^{5} + 1^{6}) - 11}{x (x + 2)}$

Step 2.3

Multiply $15$ by $1$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} + 20 x^{3} \cdot 1^{3} + 15 x^{2} \cdot 1^{4} + 6 x \cdot 1^{5} + 1^{6}) - 11}{x (x + 2)}$

Step 2.4

One to any power is one.

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} + 20 x^{3} \cdot 1 + 15 x^{2} \cdot 1^{4} + 6 x \cdot 1^{5} + 1^{6}) - 11}{x (x + 2)}$

Step 2.5

Multiply $20$ by $1$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} + 20 x^{3} + 15 x^{2} \cdot 1^{4} + 6 x \cdot 1^{5} + 1^{6}) - 11}{x (x + 2)}$

Step 2.6

One to any power is one.

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} + 20 x^{3} + 15 x^{2} \cdot 1 + 6 x \cdot 1^{5} + 1^{6}) - 11}{x (x + 2)}$

Step 2.7

Multiply $15$ by $1$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} + 20 x^{3} + 15 x^{2} + 6 x \cdot 1^{5} + 1^{6}) - 11}{x (x + 2)}$

Step 2.8

One to any power is one.

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} + 20 x^{3} + 15 x^{2} + 6 x \cdot 1 + 1^{6}) - 11}{x (x + 2)}$

Step 2.9

Multiply $6$ by $1$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} + 20 x^{3} + 15 x^{2} + 6 x + 1^{6}) - 11}{x (x + 2)}$

Step 2.10

One to any power is one.

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 (x^{6} + 6 x^{5} + 15 x^{4} + 20 x^{3} + 15 x^{2} + 6 x + 1) - 11}{x (x + 2)}$

Step 3

Apply the distributive property.

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 x^{6} + 6 (6 x^{5}) + 6 (15 x^{4}) + 6 (20 x^{3}) + 6 (15 x^{2}) + 6 (6 x) + 6 \cdot 1 - 11}{x (x + 2)}$

Step 4

Simplify.

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Step 4.1

Multiply $6$ by $6$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 x^{6} + 36 x^{5} + 6 (15 x^{4}) + 6 (20 x^{3}) + 6 (15 x^{2}) + 6 (6 x) + 6 \cdot 1 - 11}{x (x + 2)}$

Step 4.2

Multiply $15$ by $6$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 x^{6} + 36 x^{5} + 90 x^{4} + 6 (20 x^{3}) + 6 (15 x^{2}) + 6 (6 x) + 6 \cdot 1 - 11}{x (x + 2)}$

Step 4.3

Multiply $20$ by $6$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 x^{6} + 36 x^{5} + 90 x^{4} + 120 x^{3} + 6 (15 x^{2}) + 6 (6 x) + 6 \cdot 1 - 11}{x (x + 2)}$

Step 4.4

Multiply $15$ by $6$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 x^{6} + 36 x^{5} + 90 x^{4} + 120 x^{3} + 90 x^{2} + 6 (6 x) + 6 \cdot 1 - 11}{x (x + 2)}$

Step 4.5

Multiply $6$ by $6$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 x^{6} + 36 x^{5} + 90 x^{4} + 120 x^{3} + 90 x^{2} + 36 x + 6 \cdot 1 - 11}{x (x + 2)}$

Step 4.6

Multiply $6$ by $1$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 x^{6} + 36 x^{5} + 90 x^{4} + 120 x^{3} + 90 x^{2} + 36 x + 6 - 11}{x (x + 2)}$

Step 5

Subtract $11$ from $6$ .

$\frac{{(x + 1)}^{2 n} + 4 {(x + 1)}^{2 n + 1} + 6 x^{6} + 36 x^{5} + 90 x^{4} + 120 x^{3} + 90 x^{2} + 36 x - 5}{x (x + 2)}$