Precalculus Examples

${(\sqrt{3} (\cos (\frac{7 π}{6}) + i \sin (\frac{7 π}{6})))}^{4}$

Step 1

Simplify each term.

Tap for more steps...

Step 1.1

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the third quadrant.

${(\sqrt{3} (- \cos (\frac{π}{6}) + i \sin (\frac{7 π}{6})))}^{4}$

Step 1.2

The exact value of $\cos (\frac{π}{6})$ is $\frac{\sqrt{3}}{2}$ .

${(\sqrt{3} (- \frac{\sqrt{3}}{2} + i \sin (\frac{7 π}{6})))}^{4}$

Step 1.3

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the third quadrant.

${(\sqrt{3} (- \frac{\sqrt{3}}{2} + i (- \sin (\frac{π}{6}))))}^{4}$

Step 1.4

The exact value of $\sin (\frac{π}{6})$ is $\frac{1}{2}$ .

${(\sqrt{3} (- \frac{\sqrt{3}}{2} + i (- \frac{1}{2})))}^{4}$

Step 1.5

Combine $i$ and $\frac{1}{2}$ .

${(\sqrt{3} (- \frac{\sqrt{3}}{2} - \frac{i}{2}))}^{4}$

Step 2

Apply the distributive property.

${(\sqrt{3} (- \frac{\sqrt{3}}{2}) + \sqrt{3} (- \frac{i}{2}))}^{4}$

Step 3

Multiply $\sqrt{3} (- \frac{\sqrt{3}}{2})$ .

Tap for more steps...

Step 3.1

Combine $\sqrt{3}$ and $\frac{\sqrt{3}}{2}$ .

${(- \frac{\sqrt{3} \sqrt{3}}{2} + \sqrt{3} (- \frac{i}{2}))}^{4}$

Step 3.2

Raise $\sqrt{3}$ to the power of $1$ .

${(- \frac{{\sqrt{3}}^{1} \sqrt{3}}{2} + \sqrt{3} (- \frac{i}{2}))}^{4}$

Step 3.3

Raise $\sqrt{3}$ to the power of $1$ .

${(- \frac{{\sqrt{3}}^{1} {\sqrt{3}}^{1}}{2} + \sqrt{3} (- \frac{i}{2}))}^{4}$

Step 3.4

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

${(- \frac{{\sqrt{3}}^{1 + 1}}{2} + \sqrt{3} (- \frac{i}{2}))}^{4}$

Step 3.5

Add $1$ and $1$ .

${(- \frac{{\sqrt{3}}^{2}}{2} + \sqrt{3} (- \frac{i}{2}))}^{4}$

Step 4

Simplify terms.

Tap for more steps...

Step 4.1

Combine $\sqrt{3}$ and $\frac{i}{2}$ .

${(- \frac{{\sqrt{3}}^{2}}{2} - \frac{\sqrt{3} i}{2})}^{4}$

Step 4.2

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

Tap for more steps...

Step 4.2.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

${(- \frac{{(3^{\frac{1}{2}})}^{2}}{2} - \frac{\sqrt{3} i}{2})}^{4}$

Step 4.2.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

${(- \frac{3^{\frac{1}{2} \cdot 2}}{2} - \frac{\sqrt{3} i}{2})}^{4}$

Step 4.2.3

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

${(- \frac{3^{\frac{2}{2}}}{2} - \frac{\sqrt{3} i}{2})}^{4}$

Step 4.2.4

Cancel the common factor of $2$ .

Tap for more steps...

Step 4.2.4.1

Cancel the common factor.

${(- \frac{3^{\frac{2}{2}}}{2} - \frac{\sqrt{3} i}{2})}^{4}$

Step 4.2.4.2

Rewrite the expression.

${(- \frac{3^{1}}{2} - \frac{\sqrt{3} i}{2})}^{4}$

Step 4.2.5

Evaluate the exponent.

${(- \frac{3}{2} - \frac{\sqrt{3} i}{2})}^{4}$

Step 5

Use the Binomial Theorem.

${(- \frac{3}{2})}^{4} + 4 {(- \frac{3}{2})}^{3} (- \frac{\sqrt{3} i}{2}) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6

Simplify terms.

Tap for more steps...

Step 6.1

Simplify each term.

Tap for more steps...

Step 6.1.1

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

Tap for more steps...

Step 6.1.1.1

Apply the product rule to $- \frac{3}{2}$ .

${(- 1)}^{4} {(\frac{3}{2})}^{4} + 4 {(- \frac{3}{2})}^{3} (- \frac{\sqrt{3} i}{2}) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.1.2

Apply the product rule to $\frac{3}{2}$ .

${(- 1)}^{4} \frac{3^{4}}{2^{4}} + 4 {(- \frac{3}{2})}^{3} (- \frac{\sqrt{3} i}{2}) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.2

Raise $- 1$ to the power of $4$ .

$1 \frac{3^{4}}{2^{4}} + 4 {(- \frac{3}{2})}^{3} (- \frac{\sqrt{3} i}{2}) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.3

Multiply $\frac{3^{4}}{2^{4}}$ by $1$ .

$\frac{3^{4}}{2^{4}} + 4 {(- \frac{3}{2})}^{3} (- \frac{\sqrt{3} i}{2}) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.4

Raise $3$ to the power of $4$ .

$\frac{81}{2^{4}} + 4 {(- \frac{3}{2})}^{3} (- \frac{\sqrt{3} i}{2}) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.5

Raise $2$ to the power of $4$ .

$\frac{81}{16} + 4 {(- \frac{3}{2})}^{3} (- \frac{\sqrt{3} i}{2}) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.6

Cancel the common factor of $2$ .

Tap for more steps...

Step 6.1.6.1

Move the leading negative in $- \frac{\sqrt{3} i}{2}$ into the numerator.

$\frac{81}{16} + 4 {(- \frac{3}{2})}^{3} \frac{- \sqrt{3} i}{2} + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.6.2

Factor $2$ out of $4 {(- \frac{3}{2})}^{3}$ .

$\frac{81}{16} + 2 (2 {(- \frac{3}{2})}^{3}) \frac{- \sqrt{3} i}{2} + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.6.3

Cancel the common factor.

Step 6.1.6.4

Rewrite the expression.

$\frac{81}{16} + 2 {(- \frac{3}{2})}^{3} (- \sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.7

Multiply $- 1$ by $2$ .

$\frac{81}{16} - 2 {(- \frac{3}{2})}^{3} (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.8

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

Tap for more steps...

Step 6.1.8.1

Apply the product rule to $- \frac{3}{2}$ .

$\frac{81}{16} - 2 ({(- 1)}^{3} {(\frac{3}{2})}^{3}) (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.8.2

Apply the product rule to $\frac{3}{2}$ .

$\frac{81}{16} - 2 ({(- 1)}^{3} \frac{3^{3}}{2^{3}}) (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.9

Raise $- 1$ to the power of $3$ .

$\frac{81}{16} - 2 (- \frac{3^{3}}{2^{3}}) (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.10

Raise $3$ to the power of $3$ .

$\frac{81}{16} - 2 (- \frac{27}{2^{3}}) (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.11

Raise $2$ to the power of $3$ .

$\frac{81}{16} - 2 (- \frac{27}{8}) (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.12

Cancel the common factor of $2$ .

Tap for more steps...

Step 6.1.12.1

Move the leading negative in $- \frac{27}{8}$ into the numerator.

$\frac{81}{16} - 2 (\frac{- 27}{8}) (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.12.2

Factor $2$ out of $- 2$ .

$\frac{81}{16} + 2 (- 1) \frac{- 27}{8} (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.12.3

Factor $2$ out of $8$ .

$\frac{81}{16} + 2 \cdot - 1 \frac{- 27}{2 \cdot 4} (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.12.4

Cancel the common factor.

Step 6.1.12.5

Rewrite the expression.

$\frac{81}{16} - 1 (\frac{- 27}{4}) (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.13

Move the negative in front of the fraction.

$\frac{81}{16} - 1 (- \frac{27}{4}) (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.14

Multiply $- 1 (- \frac{27}{4})$ .

Tap for more steps...

Step 6.1.14.1

Multiply $- 1$ by $- 1$ .

$\frac{81}{16} + 1 (\frac{27}{4}) (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.14.2

Multiply $\frac{27}{4}$ by $1$ .

$\frac{81}{16} + \frac{27}{4} (\sqrt{3} i) + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.15

Multiply $\frac{27}{4} (\sqrt{3} i)$ .

Tap for more steps...

Step 6.1.15.1

Combine $\sqrt{3}$ and $\frac{27}{4}$ .

$\frac{81}{16} + \frac{\sqrt{3} \cdot 27}{4} i + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.15.2

Combine $\frac{\sqrt{3} \cdot 27}{4}$ and $i$ .

$\frac{81}{16} + \frac{\sqrt{3} \cdot 27 i}{4} + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.16

Move $27$ to the left of $\sqrt{3}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 6 {(- \frac{3}{2})}^{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.17

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

Tap for more steps...

Step 6.1.17.1

Apply the product rule to $- \frac{3}{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 6 ({(- 1)}^{2} {(\frac{3}{2})}^{2}) {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.17.2

Apply the product rule to $\frac{3}{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 6 ({(- 1)}^{2} \frac{3^{2}}{2^{2}}) {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.18

Raise $- 1$ to the power of $2$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 6 (1 \frac{3^{2}}{2^{2}}) {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.19

Multiply $\frac{3^{2}}{2^{2}}$ by $1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 6 \frac{3^{2}}{2^{2}} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.20

Raise $3$ to the power of $2$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 6 \frac{9}{2^{2}} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.21

Raise $2$ to the power of $2$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 6 (\frac{9}{4}) {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.22

Cancel the common factor of $2$ .

Tap for more steps...

Step 6.1.22.1

Factor $2$ out of $6$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 2 (3) \frac{9}{4} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.22.2

Factor $2$ out of $4$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 2 \cdot 3 \frac{9}{2 \cdot 2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.22.3

Cancel the common factor.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 2 \cdot 3 \frac{9}{2 \cdot 2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.22.4

Rewrite the expression.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + 3 (\frac{9}{2}) {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.23

Combine $3$ and $\frac{9}{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{3 \cdot 9}{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.24

Multiply $3$ by $9$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27}{2} {(- \frac{\sqrt{3} i}{2})}^{2} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.25

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

Tap for more steps...

Step 6.1.25.1

Apply the product rule to $- \frac{\sqrt{3} i}{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27}{2} ({(- 1)}^{2} {(\frac{\sqrt{3} i}{2})}^{2}) + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.25.2

Apply the product rule to $\frac{\sqrt{3} i}{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27}{2} ({(- 1)}^{2} \frac{{(\sqrt{3} i)}^{2}}{2^{2}}) + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.25.3

Apply the product rule to $\sqrt{3} i$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27}{2} ({(- 1)}^{2} \frac{{\sqrt{3}}^{2} i^{2}}{2^{2}}) + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.26

Raise $- 1$ to the power of $2$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27}{2} (1 \frac{{\sqrt{3}}^{2} i^{2}}{2^{2}}) + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.27

Multiply $\frac{{\sqrt{3}}^{2} i^{2}}{2^{2}}$ by $1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27}{2} \cdot \frac{{\sqrt{3}}^{2} i^{2}}{2^{2}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.28

Combine.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 ({\sqrt{3}}^{2} i^{2})}{2 \cdot 2^{2}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.29

Multiply $2$ by $2^{2}$ by adding the exponents.

Tap for more steps...

Step 6.1.29.1

Multiply $2$ by $2^{2}$ .

Tap for more steps...

Step 6.1.29.1.1

Raise $2$ to the power of $1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 ({\sqrt{3}}^{2} i^{2})}{2^{1} \cdot 2^{2}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.29.1.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 ({\sqrt{3}}^{2} i^{2})}{2^{1 + 2}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.29.2

Add $1$ and $2$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 ({\sqrt{3}}^{2} i^{2})}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.30

Simplify the numerator.

Tap for more steps...

Step 6.1.30.1

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

Tap for more steps...

Step 6.1.30.1.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 {(3^{\frac{1}{2}})}^{2} i^{2}}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.30.1.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 \cdot 3^{\frac{1}{2} \cdot 2} i^{2}}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.30.1.3

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

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 \cdot 3^{\frac{2}{2}} i^{2}}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.30.1.4

Cancel the common factor of $2$ .

Tap for more steps...

Step 6.1.30.1.4.1

Cancel the common factor.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 \cdot 3^{\frac{2}{2}} i^{2}}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.30.1.4.2

Rewrite the expression.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 \cdot 3^{1} i^{2}}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.30.1.5

Evaluate the exponent.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 \cdot 3 i^{2}}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.30.2

Rewrite $i^{2}$ as $- 1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{27 \cdot 3 \cdot - 1}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.30.3

Combine exponents.

Tap for more steps...

Step 6.1.30.3.1

Multiply $27$ by $3$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{81 \cdot - 1}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.30.3.2

Multiply $81$ by $- 1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{- 81}{2^{3}} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.31

Raise $2$ to the power of $3$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} + \frac{- 81}{8} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.32

Move the negative in front of the fraction.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + 4 (- \frac{3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.33

Cancel the common factor of $2$ .

Tap for more steps...

Step 6.1.33.1

Move the leading negative in $- \frac{3}{2}$ into the numerator.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + 4 (\frac{- 3}{2}) {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.33.2

Factor $2$ out of $4$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + 2 (2) \frac{- 3}{2} {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.33.3

Cancel the common factor.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + 2 \cdot 2 \frac{- 3}{2} {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.33.4

Rewrite the expression.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + 2 \cdot - 3 {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.34

Multiply $2$ by $- 3$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 {(- \frac{\sqrt{3} i}{2})}^{3} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.35

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

Tap for more steps...

Step 6.1.35.1

Apply the product rule to $- \frac{\sqrt{3} i}{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 ({(- 1)}^{3} {(\frac{\sqrt{3} i}{2})}^{3}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.35.2

Apply the product rule to $\frac{\sqrt{3} i}{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 ({(- 1)}^{3} \frac{{(\sqrt{3} i)}^{3}}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.35.3

Apply the product rule to $\sqrt{3} i$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 ({(- 1)}^{3} \frac{{\sqrt{3}}^{3} i^{3}}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.36

Raise $- 1$ to the power of $3$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{{\sqrt{3}}^{3} i^{3}}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37

Simplify the numerator.

Tap for more steps...

Step 6.1.37.1

Rewrite ${\sqrt{3}}^{3}$ as $\sqrt{3^{3}}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{\sqrt{3^{3}} i^{3}}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37.2

Raise $3$ to the power of $3$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{\sqrt{27} i^{3}}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37.3

Rewrite $27$ as $3^{2} \cdot 3$ .

Tap for more steps...

Step 6.1.37.3.1

Factor $9$ out of $27$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{\sqrt{9 (3)} i^{3}}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37.3.2

Rewrite $9$ as $3^{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{\sqrt{3^{2} \cdot 3} i^{3}}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37.4

Pull terms out from under the radical.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{3 \sqrt{3} i^{3}}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37.5

Factor out $i^{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{3 \sqrt{3} (i^{2} \cdot i)}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37.6

Rewrite $i^{2}$ as $- 1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{3 \sqrt{3} (- 1 \cdot i)}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37.7

Rewrite $- 1 i$ as $- i$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{3 \sqrt{3} \cdot - 1 i}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37.8

Combine exponents.

Tap for more steps...

Step 6.1.37.8.1

Factor out negative.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{- (3 \sqrt{3} i)}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.37.8.2

Multiply $3$ by $- 1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{- 3 (\sqrt{3} i)}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{- 3 \sqrt{3} i}{2^{3}}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.38

Raise $2$ to the power of $3$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 (- \frac{- 3 \sqrt{3} i}{8}) + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.39

Cancel the common factor of $2$ .

Tap for more steps...

Step 6.1.39.1

Move the leading negative in $- \frac{- 3 \sqrt{3} i}{8}$ into the numerator.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 6 \frac{3 \sqrt{3} i}{8} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.39.2

Factor $2$ out of $- 6$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + 2 (- 3) \frac{3 \sqrt{3} i}{8} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.39.3

Factor $2$ out of $8$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + 2 \cdot - 3 \frac{3 \sqrt{3} i}{2 \cdot 4} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.39.4

Cancel the common factor.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + 2 \cdot - 3 \frac{3 \sqrt{3} i}{2 \cdot 4} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.39.5

Rewrite the expression.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - 3 \frac{3 \sqrt{3} i}{4} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.40

Combine $- 3$ and $\frac{3 \sqrt{3} i}{4}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + \frac{- 3 (3 \sqrt{3} i)}{4} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.41

Multiply $3$ by $- 3$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} + \frac{- 9 (\sqrt{3} i)}{4} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.42

Move the negative in front of the fraction.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + {(- \frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.43

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

Tap for more steps...

Step 6.1.43.1

Apply the product rule to $- \frac{\sqrt{3} i}{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + {(- 1)}^{4} {(\frac{\sqrt{3} i}{2})}^{4}$

Step 6.1.43.2

Apply the product rule to $\frac{\sqrt{3} i}{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + {(- 1)}^{4} \frac{{(\sqrt{3} i)}^{4}}{2^{4}}$

Step 6.1.43.3

Apply the product rule to $\sqrt{3} i$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + {(- 1)}^{4} \frac{{\sqrt{3}}^{4} i^{4}}{2^{4}}$

Step 6.1.44

Raise $- 1$ to the power of $4$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + 1 \frac{{\sqrt{3}}^{4} i^{4}}{2^{4}}$

Step 6.1.45

Multiply $\frac{{\sqrt{3}}^{4} i^{4}}{2^{4}}$ by $1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{{\sqrt{3}}^{4} i^{4}}{2^{4}}$

Step 6.1.46

Simplify the numerator.

Tap for more steps...

Step 6.1.46.1

Rewrite ${\sqrt{3}}^{4}$ as $3^{2}$ .

Tap for more steps...

Step 6.1.46.1.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{{(3^{\frac{1}{2}})}^{4} i^{4}}{2^{4}}$

Step 6.1.46.1.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{3^{\frac{1}{2} \cdot 4} i^{4}}{2^{4}}$

Step 6.1.46.1.3

Combine $\frac{1}{2}$ and $4$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{3^{\frac{4}{2}} i^{4}}{2^{4}}$

Step 6.1.46.1.4

Cancel the common factor of $4$ and $2$ .

Tap for more steps...

Step 6.1.46.1.4.1

Factor $2$ out of $4$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{3^{\frac{2 \cdot 2}{2}} i^{4}}{2^{4}}$

Step 6.1.46.1.4.2

Cancel the common factors.

Tap for more steps...

Step 6.1.46.1.4.2.1

Factor $2$ out of $2$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{3^{\frac{2 \cdot 2}{2 (1)}} i^{4}}{2^{4}}$

Step 6.1.46.1.4.2.2

Cancel the common factor.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{3^{\frac{2 \cdot 2}{2 \cdot 1}} i^{4}}{2^{4}}$

Step 6.1.46.1.4.2.3

Rewrite the expression.

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{3^{\frac{2}{1}} i^{4}}{2^{4}}$

Step 6.1.46.1.4.2.4

Divide $2$ by $1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{3^{2} i^{4}}{2^{4}}$

Step 6.1.46.2

Raise $3$ to the power of $2$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{9 i^{4}}{2^{4}}$

Step 6.1.46.3

Rewrite $i^{4}$ as $1$ .

Tap for more steps...

Step 6.1.46.3.1

Rewrite $i^{4}$ as ${(i^{2})}^{2}$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{9 {(i^{2})}^{2}}{2^{4}}$

Step 6.1.46.3.2

Rewrite $i^{2}$ as $- 1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{9 {(- 1)}^{2}}{2^{4}}$

Step 6.1.46.3.3

Raise $- 1$ to the power of $2$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{9 \cdot 1}{2^{4}}$

Step 6.1.47

Raise $2$ to the power of $4$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{9 \cdot 1}{16}$

Step 6.1.48

Multiply $9$ by $1$ .

$\frac{81}{16} + \frac{27 \sqrt{3} i}{4} - \frac{81}{8} - \frac{9 \sqrt{3} i}{4} + \frac{9}{16}$

Step 6.2

Simplify terms.

Tap for more steps...

Step 6.2.1

Combine the numerators over the common denominator.

$\frac{81 + 9}{16} + \frac{27 \sqrt{3} i - 9 \sqrt{3} i}{4} + \frac{- 81}{8}$

Step 6.2.2

Add $81$ and $9$ .

$\frac{90}{16} + \frac{27 \sqrt{3} i - 9 \sqrt{3} i}{4} + \frac{- 81}{8}$

Step 6.2.3

Subtract $9 \sqrt{3} i$ from $27 \sqrt{3} i$ .

$\frac{90}{16} + \frac{18 \sqrt{3} i}{4} + \frac{- 81}{8}$

Step 6.3

Simplify each term.

Tap for more steps...

Step 6.3.1

Cancel the common factor of $90$ and $16$ .

Tap for more steps...

Step 6.3.1.1

Factor $2$ out of $90$ .

$\frac{2 (45)}{16} + \frac{18 \sqrt{3} i}{4} + \frac{- 81}{8}$

Step 6.3.1.2

Cancel the common factors.

Tap for more steps...

Step 6.3.1.2.1

Factor $2$ out of $16$ .

$\frac{2 \cdot 45}{2 \cdot 8} + \frac{18 \sqrt{3} i}{4} + \frac{- 81}{8}$

Step 6.3.1.2.2

Cancel the common factor.

$\frac{2 \cdot 45}{2 \cdot 8} + \frac{18 \sqrt{3} i}{4} + \frac{- 81}{8}$

Step 6.3.1.2.3

Rewrite the expression.

$\frac{45}{8} + \frac{18 \sqrt{3} i}{4} + \frac{- 81}{8}$

Step 6.3.2

Cancel the common factor of $18$ and $4$ .

Tap for more steps...

Step 6.3.2.1

Factor $2$ out of $18 \sqrt{3} i$ .

$\frac{45}{8} + \frac{2 (9 \sqrt{3} i)}{4} + \frac{- 81}{8}$

Step 6.3.2.2

Cancel the common factors.

Tap for more steps...

Step 6.3.2.2.1

Factor $2$ out of $4$ .

$\frac{45}{8} + \frac{2 (9 \sqrt{3} i)}{2 (2)} + \frac{- 81}{8}$

Step 6.3.2.2.2

Cancel the common factor.

$\frac{45}{8} + \frac{2 (9 \sqrt{3} i)}{2 \cdot 2} + \frac{- 81}{8}$

Step 6.3.2.2.3

Rewrite the expression.

$\frac{45}{8} + \frac{9 \sqrt{3} i}{2} + \frac{- 81}{8}$

Step 6.3.3

Move the negative in front of the fraction.

$\frac{45}{8} + \frac{9 \sqrt{3} i}{2} - \frac{81}{8}$

Step 6.4

Combine fractions.

Tap for more steps...

Step 6.4.1

Combine the numerators over the common denominator.

$\frac{45 - 81}{8} + \frac{9 \sqrt{3} i}{2}$

Step 6.4.2

Subtract $81$ from $45$ .

$\frac{- 36}{8} + \frac{9 \sqrt{3} i}{2}$

Step 6.5

Simplify each term.

Tap for more steps...

Step 6.5.1

Cancel the common factor of $- 36$ and $8$ .

Tap for more steps...

Step 6.5.1.1

Factor $4$ out of $- 36$ .

$\frac{4 (- 9)}{8} + \frac{9 \sqrt{3} i}{2}$

Step 6.5.1.2

Cancel the common factors.

Tap for more steps...

Step 6.5.1.2.1

Factor $4$ out of $8$ .

$\frac{4 \cdot - 9}{4 \cdot 2} + \frac{9 \sqrt{3} i}{2}$

Step 6.5.1.2.2

Cancel the common factor.

$\frac{4 \cdot - 9}{4 \cdot 2} + \frac{9 \sqrt{3} i}{2}$

Step 6.5.1.2.3

Rewrite the expression.

$\frac{- 9}{2} + \frac{9 \sqrt{3} i}{2}$

Step 6.5.2

Move the negative in front of the fraction.

$- \frac{9}{2} + \frac{9 \sqrt{3} i}{2}$