Algebra Examples

$3 {(2 x - 1)}^{2} (2) {(x + 3)}^{\frac{1}{2}} + {(2 x - 1)}^{3} (\frac{1}{2}) {(x + 3)}^{- \frac{1}{2}}$

Step 1

Multiply $3 {(2 x - 1)}^{2}$ by $2$ .

$3 {(2 x - 1)}^{2} \cdot 2 {(x + 3)}^{\frac{1}{2}} + {(2 x - 1)}^{3} (\frac{1}{2}) \cdot {(x + 3)}^{- \frac{1}{2}}$

Step 2

Factor ${(2 x - 1)}^{2}$ out of $3 {(2 x - 1)}^{2} \cdot 2 {(x + 3)}^{\frac{1}{2}} + {(2 x - 1)}^{3} \frac{1}{2} \cdot {(x + 3)}^{- \frac{1}{2}}$ .

Tap for more steps...

Step 2.1

Factor ${(2 x - 1)}^{2}$ out of $3 {(2 x - 1)}^{2} \cdot 2 {(x + 3)}^{\frac{1}{2}}$ .

${(2 x - 1)}^{2} (3 \cdot 2 {(x + 3)}^{\frac{1}{2}}) + {(2 x - 1)}^{3} \frac{1}{2} \cdot {(x + 3)}^{- \frac{1}{2}}$

Step 2.2

Factor ${(2 x - 1)}^{2}$ out of ${(2 x - 1)}^{3} \frac{1}{2} \cdot {(x + 3)}^{- \frac{1}{2}}$ .

${(2 x - 1)}^{2} (3 \cdot 2 {(x + 3)}^{\frac{1}{2}}) + {(2 x - 1)}^{2} ((2 x - 1) \frac{1}{2} \cdot {(x + 3)}^{- \frac{1}{2}})$

Step 2.3

Factor ${(2 x - 1)}^{2}$ out of ${(2 x - 1)}^{2} (3 \cdot 2 {(x + 3)}^{\frac{1}{2}}) + {(2 x - 1)}^{2} ((2 x - 1) \frac{1}{2} \cdot {(x + 3)}^{- \frac{1}{2}})$ .

${(2 x - 1)}^{2} (3 \cdot 2 {(x + 3)}^{\frac{1}{2}} + (2 x - 1) \frac{1}{2} \cdot {(x + 3)}^{- \frac{1}{2}})$

Step 3

Multiply $3$ by $2$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + (2 x - 1) \frac{1}{2} \cdot {(x + 3)}^{- \frac{1}{2}})$

Step 4

Apply the distributive property.

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + (2 x \frac{1}{2} - 1 (\frac{1}{2})) \cdot {(x + 3)}^{- \frac{1}{2}})$

Step 5

Cancel the common factor of $2$ .

Tap for more steps...

Step 5.1

Factor $2$ out of $2 x$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + (2 (x) \frac{1}{2} - 1 (\frac{1}{2})) \cdot {(x + 3)}^{- \frac{1}{2}})$

Step 5.2

Cancel the common factor.

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + (2 x \frac{1}{2} - 1 (\frac{1}{2})) \cdot {(x + 3)}^{- \frac{1}{2}})$

Step 5.3

Rewrite the expression.

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + (x - 1 (\frac{1}{2})) \cdot {(x + 3)}^{- \frac{1}{2}})$

Step 6

Rewrite $- 1 (\frac{1}{2})$ as $- (\frac{1}{2})$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + (x - (\frac{1}{2})) \cdot {(x + 3)}^{- \frac{1}{2}})$

Step 7

Multiply $- 1$ by $\frac{1}{2}$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + (x - \frac{1}{2}) \cdot {(x + 3)}^{- \frac{1}{2}})$

Step 8

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + (x - \frac{1}{2}) \cdot \frac{1}{{(x + 3)}^{\frac{1}{2}}})$

Step 9

Multiply $x - \frac{1}{2}$ by $\frac{1}{{(x + 3)}^{\frac{1}{2}}}$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + (x - \frac{1}{2}) \frac{1}{{(x + 3)}^{\frac{1}{2}}})$

Step 10

Multiply $x - \frac{1}{2}$ by $\frac{1}{{(x + 3)}^{\frac{1}{2}}}$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + \frac{x - \frac{1}{2}}{{(x + 3)}^{\frac{1}{2}}})$

Step 11

Simplify the numerator.

Tap for more steps...

Step 11.1

To write $x$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + \frac{x \cdot \frac{2}{2} - \frac{1}{2}}{{(x + 3)}^{\frac{1}{2}}})$

Step 11.2

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

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + \frac{\frac{x \cdot 2}{2} - \frac{1}{2}}{{(x + 3)}^{\frac{1}{2}}})$

Step 11.3

Combine the numerators over the common denominator.

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + \frac{\frac{x \cdot 2 - 1}{2}}{{(x + 3)}^{\frac{1}{2}}})$

Step 11.4

Move $2$ to the left of $x$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + \frac{\frac{2 x - 1}{2}}{{(x + 3)}^{\frac{1}{2}}})$

Step 12

Multiply the numerator by the reciprocal of the denominator.

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + \frac{2 x - 1}{2} \cdot \frac{1}{{(x + 3)}^{\frac{1}{2}}})$

Step 13

Multiply $\frac{2 x - 1}{2}$ by $\frac{1}{{(x + 3)}^{\frac{1}{2}}}$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} + \frac{2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}})$

Step 14

To write $6 {(x + 3)}^{\frac{1}{2}}$ as a fraction with a common denominator, multiply by $\frac{2 {(x + 3)}^{\frac{1}{2}}}{2 {(x + 3)}^{\frac{1}{2}}}$ .

${(2 x - 1)}^{2} (6 {(x + 3)}^{\frac{1}{2}} \cdot \frac{2 {(x + 3)}^{\frac{1}{2}}}{2 {(x + 3)}^{\frac{1}{2}}} + \frac{2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}})$

Step 15

Combine $6 {(x + 3)}^{\frac{1}{2}}$ and $\frac{2 {(x + 3)}^{\frac{1}{2}}}{2 {(x + 3)}^{\frac{1}{2}}}$ .

${(2 x - 1)}^{2} (\frac{6 {(x + 3)}^{\frac{1}{2}} (2 {(x + 3)}^{\frac{1}{2}})}{2 {(x + 3)}^{\frac{1}{2}}} + \frac{2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}})$

Step 16

Combine the numerators over the common denominator.

${(2 x - 1)}^{2} \frac{6 {(x + 3)}^{\frac{1}{2}} (2 {(x + 3)}^{\frac{1}{2}}) + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 17

Reorder terms.

${(2 x - 1)}^{2} \frac{2 \cdot 6 {(x + 3)}^{\frac{1}{2}} {(x + 3)}^{\frac{1}{2}} + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18

Rewrite $\frac{2 \cdot 6 {(x + 3)}^{\frac{1}{2}} {(x + 3)}^{\frac{1}{2}} + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$ in a factored form.

Tap for more steps...

Step 18.1

Multiply ${(x + 3)}^{\frac{1}{2}}$ by ${(x + 3)}^{\frac{1}{2}}$ by adding the exponents.

Tap for more steps...

Step 18.1.1

Move ${(x + 3)}^{\frac{1}{2}}$ .

${(2 x - 1)}^{2} \frac{2 \cdot 6 ({(x + 3)}^{\frac{1}{2}} {(x + 3)}^{\frac{1}{2}}) + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.1.2

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

${(2 x - 1)}^{2} \frac{2 \cdot 6 {(x + 3)}^{\frac{1}{2} + \frac{1}{2}} + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.1.3

Combine the numerators over the common denominator.

${(2 x - 1)}^{2} \frac{2 \cdot 6 {(x + 3)}^{\frac{1 + 1}{2}} + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.1.4

Add $1$ and $1$ .

${(2 x - 1)}^{2} \frac{2 \cdot 6 {(x + 3)}^{\frac{2}{2}} + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.1.5

Divide $2$ by $2$ .

${(2 x - 1)}^{2} \frac{2 \cdot 6 {(x + 3)}^{1} + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.2

Simplify $2 \cdot 6 {(x + 3)}^{1}$ .

${(2 x - 1)}^{2} \frac{2 \cdot 6 (x + 3) + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.3

Multiply $2$ by $6$ .

${(2 x - 1)}^{2} \frac{12 (x + 3) + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.4

Apply the distributive property.

${(2 x - 1)}^{2} \frac{12 x + 12 \cdot 3 + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.5

Multiply $12$ by $3$ .

${(2 x - 1)}^{2} \frac{12 x + 36 + 2 x - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.6

Add $12 x$ and $2 x$ .

${(2 x - 1)}^{2} \frac{14 x + 36 - 1}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.7

Subtract $1$ from $36$ .

${(2 x - 1)}^{2} \frac{14 x + 35}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.8

Factor $7$ out of $14 x + 35$ .

Tap for more steps...

Step 18.8.1

Factor $7$ out of $14 x$ .

${(2 x - 1)}^{2} \frac{7 (2 x) + 35}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.8.2

Factor $7$ out of $35$ .

${(2 x - 1)}^{2} \frac{7 (2 x) + 7 (5)}{2 {(x + 3)}^{\frac{1}{2}}}$

Step 18.8.3

Factor $7$ out of $7 (2 x) + 7 (5)$ .

${(2 x - 1)}^{2} \frac{7 (2 x + 5)}{2 {(x + 3)}^{\frac{1}{2}}}$