Basic Math Examples

${(\frac{7 p^{2} q^{4}}{8 r^{2} s^{3}})}^{3} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 1

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

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Step 1.1

Apply the product rule to $\frac{7 p^{2} q^{4}}{8 r^{2} s^{3}}$ .

$\frac{{(7 p^{2} q^{4})}^{3}}{{(8 r^{2} s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 1.2

Apply the product rule to $7 p^{2} q^{4}$ .

$\frac{{(7 p^{2})}^{3} {(q^{4})}^{3}}{{(8 r^{2} s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 1.3

Apply the product rule to $7 p^{2}$ .

$\frac{7^{3} {(p^{2})}^{3} {(q^{4})}^{3}}{{(8 r^{2} s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 1.4

Apply the product rule to $8 r^{2} s^{3}$ .

$\frac{7^{3} {(p^{2})}^{3} {(q^{4})}^{3}}{{(8 r^{2})}^{3} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 1.5

Apply the product rule to $8 r^{2}$ .

$\frac{7^{3} {(p^{2})}^{3} {(q^{4})}^{3}}{8^{3} {(r^{2})}^{3} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 2

Simplify the numerator.

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Step 2.1

Raise $7$ to the power of $3$ .

$\frac{343 {(p^{2})}^{3} {(q^{4})}^{3}}{8^{3} {(r^{2})}^{3} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 2.2

Multiply the exponents in ${(p^{2})}^{3}$ .

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Step 2.2.1

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

$\frac{343 p^{2 \cdot 3} {(q^{4})}^{3}}{8^{3} {(r^{2})}^{3} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 2.2.2

Multiply $2$ by $3$ .

$\frac{343 p^{6} {(q^{4})}^{3}}{8^{3} {(r^{2})}^{3} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 2.3

Multiply the exponents in ${(q^{4})}^{3}$ .

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Step 2.3.1

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

$\frac{343 p^{6} q^{4 \cdot 3}}{8^{3} {(r^{2})}^{3} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 2.3.2

Multiply $4$ by $3$ .

$\frac{343 p^{6} q^{12}}{8^{3} {(r^{2})}^{3} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 3

Simplify the denominator.

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Step 3.1

Raise $8$ to the power of $3$ .

$\frac{343 p^{6} q^{12}}{512 {(r^{2})}^{3} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 3.2

Multiply the exponents in ${(r^{2})}^{3}$ .

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Step 3.2.1

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

$\frac{343 p^{6} q^{12}}{512 r^{2 \cdot 3} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 3.2.2

Multiply $2$ by $3$ .

$\frac{343 p^{6} q^{12}}{512 r^{6} {(s^{3})}^{3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 3.3

Multiply the exponents in ${(s^{3})}^{3}$ .

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Step 3.3.1

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

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{3 \cdot 3}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 3.3.2

Multiply $3$ by $3$ .

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{12 p^{5} s^{7}}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 4

Reduce the expression by cancelling the common factors.

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Step 4.1

Cancel the common factor of $12$ and $21$ .

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Step 4.1.1

Factor $3$ out of $12 p^{5} s^{7}$ .

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{3 (4 p^{5} s^{7})}{21 p^{5} q^{3} s^{4}})}^{3}$

Step 4.1.2

Cancel the common factors.

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Step 4.1.2.1

Factor $3$ out of $21 p^{5} q^{3} s^{4}$ .

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{3 (4 p^{5} s^{7})}{3 (7 p^{5} q^{3} s^{4})})}^{3}$

Step 4.1.2.2

Cancel the common factor.

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{3 (4 p^{5} s^{7})}{3 (7 p^{5} q^{3} s^{4})})}^{3}$

Step 4.1.2.3

Rewrite the expression.

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{4 p^{5} s^{7}}{7 p^{5} q^{3} s^{4}})}^{3}$

Step 4.2

Cancel the common factor of $p^{5}$ .

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Step 4.2.1

Cancel the common factor.

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{4 p^{5} s^{7}}{7 p^{5} q^{3} s^{4}})}^{3}$

Step 4.2.2

Rewrite the expression.

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{4 s^{7}}{7 q^{3} s^{4}})}^{3}$

Step 4.3

Cancel the common factor of $s^{7}$ and $s^{4}$ .

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Step 4.3.1

Factor $s^{4}$ out of $4 s^{7}$ .

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{s^{4} (4 s^{3})}{7 q^{3} s^{4}})}^{3}$

Step 4.3.2

Cancel the common factors.

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Step 4.3.2.1

Factor $s^{4}$ out of $7 q^{3} s^{4}$ .

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{s^{4} (4 s^{3})}{s^{4} (7 q^{3})})}^{3}$

Step 4.3.2.2

Cancel the common factor.

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{s^{4} (4 s^{3})}{s^{4} (7 q^{3})})}^{3}$

Step 4.3.2.3

Rewrite the expression.

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot {(\frac{4 s^{3}}{7 q^{3}})}^{3}$

Step 5

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

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Step 5.1

Apply the product rule to $\frac{4 s^{3}}{7 q^{3}}$ .

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot \frac{{(4 s^{3})}^{3}}{{(7 q^{3})}^{3}}$

Step 5.2

Apply the product rule to $4 s^{3}$ .

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot \frac{4^{3} {(s^{3})}^{3}}{{(7 q^{3})}^{3}}$

Step 5.3

Apply the product rule to $7 q^{3}$ .

$\frac{343 p^{6} q^{12}}{512 r^{6} s^{9}} \cdot \frac{4^{3} {(s^{3})}^{3}}{7^{3} {(q^{3})}^{3}}$

Step 6

Combine.

$\frac{343 p^{6} q^{12} (4^{3} {(s^{3})}^{3})}{512 r^{6} s^{9} (7^{3} {(q^{3})}^{3})}$

Step 7

Simplify the numerator.

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Step 7.1

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

$\frac{343 p^{6} q^{12} \cdot 64 {(s^{3})}^{3}}{512 r^{6} s^{9} \cdot 7^{3} {(q^{3})}^{3}}$

Step 7.2

Multiply the exponents in ${(s^{3})}^{3}$ .

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Step 7.2.1

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

$\frac{343 p^{6} q^{12} \cdot 64 s^{3 \cdot 3}}{512 r^{6} s^{9} \cdot 7^{3} {(q^{3})}^{3}}$

Step 7.2.2

Multiply $3$ by $3$ .

$\frac{343 p^{6} q^{12} \cdot 64 s^{9}}{512 r^{6} s^{9} \cdot 7^{3} {(q^{3})}^{3}}$

Step 7.3

Multiply $64$ by $343$ .

$\frac{21952 p^{6} q^{12} s^{9}}{512 r^{6} s^{9} \cdot 7^{3} {(q^{3})}^{3}}$

Step 8

Simplify the denominator.

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Step 8.1

Raise $7$ to the power of $3$ .

$\frac{21952 p^{6} q^{12} s^{9}}{512 r^{6} s^{9} \cdot 343 {(q^{3})}^{3}}$

Step 8.2

Multiply the exponents in ${(q^{3})}^{3}$ .

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Step 8.2.1

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

$\frac{21952 p^{6} q^{12} s^{9}}{512 r^{6} s^{9} \cdot 343 q^{3 \cdot 3}}$

Step 8.2.2

Multiply $3$ by $3$ .

$\frac{21952 p^{6} q^{12} s^{9}}{512 r^{6} s^{9} \cdot 343 q^{9}}$

Step 8.3

Multiply $343$ by $512$ .

$\frac{21952 p^{6} q^{12} s^{9}}{175616 r^{6} s^{9} q^{9}}$

Step 9

Reduce the expression by cancelling the common factors.

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Step 9.1

Cancel the common factor of $21952$ and $175616$ .

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Step 9.1.1

Factor $21952$ out of $21952 p^{6} q^{12} s^{9}$ .

$\frac{21952 (p^{6} q^{12} s^{9})}{175616 r^{6} s^{9} q^{9}}$

Step 9.1.2

Cancel the common factors.

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Step 9.1.2.1

Factor $21952$ out of $175616 r^{6} s^{9} q^{9}$ .

$\frac{21952 (p^{6} q^{12} s^{9})}{21952 (8 r^{6} s^{9} q^{9})}$

Step 9.1.2.2

Cancel the common factor.

$\frac{21952 (p^{6} q^{12} s^{9})}{21952 (8 r^{6} s^{9} q^{9})}$

Step 9.1.2.3

Rewrite the expression.

$\frac{p^{6} q^{12} s^{9}}{8 r^{6} s^{9} q^{9}}$

Step 9.2

Cancel the common factor of $q^{12}$ and $q^{9}$ .

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Step 9.2.1

Factor $q^{9}$ out of $p^{6} q^{12} s^{9}$ .

$\frac{q^{9} (p^{6} q^{3} s^{9})}{8 r^{6} s^{9} q^{9}}$

Step 9.2.2

Cancel the common factors.

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Step 9.2.2.1

Factor $q^{9}$ out of $8 r^{6} s^{9} q^{9}$ .

$\frac{q^{9} (p^{6} q^{3} s^{9})}{q^{9} (8 r^{6} s^{9})}$

Step 9.2.2.2

Cancel the common factor.

$\frac{q^{9} (p^{6} q^{3} s^{9})}{q^{9} (8 r^{6} s^{9})}$

Step 9.2.2.3

Rewrite the expression.

$\frac{p^{6} q^{3} s^{9}}{8 r^{6} s^{9}}$

Step 9.3

Cancel the common factor of $s^{9}$ .

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Step 9.3.1

Cancel the common factor.

$\frac{p^{6} q^{3} s^{9}}{8 r^{6} s^{9}}$

Step 9.3.2

Rewrite the expression.

$\frac{p^{6} q^{3}}{8 r^{6}}$