Basic Math Examples

${(\frac{{(m + n + p + q + r)}^{2} - {(m + n + p - q - r)}^{2}}{(m + n + p) (q - r)})}^{- 2}$

Step 1

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

${(\frac{(m + n + p + q + r + m + n + p - q - r) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2

Simplify.

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Step 2.1

Add $m$ and $m$ .

${(\frac{(2 m + n + p + q + r + n + p - q - r) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.2

Add $n$ and $n$ .

${(\frac{(2 m + 2 n + p + q + r + p - q - r) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.3

Add $p$ and $p$ .

${(\frac{(2 m + 2 n + 2 p + q + r - q - r) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.4

Subtract $q$ from $q$ .

${(\frac{(2 m + 2 n + 2 p + r + 0 - r) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.5

Add $2 m$ and $0$ .

${(\frac{(2 m + 2 n + 2 p + r - r) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.6

Subtract $r$ from $r$ .

${(\frac{(2 m + 2 n + 2 p + 0) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.7

Add $2 m + 2 n + 2 p$ and $0$ .

${(\frac{(2 m + 2 n + 2 p) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.8

Factor $2$ out of $2 m + 2 n + 2 p$ .

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Step 2.8.1

Factor $2$ out of $2 m$ .

${(\frac{(2 (m) + 2 n + 2 p) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.8.2

Factor $2$ out of $2 n$ .

${(\frac{(2 (m) + 2 (n) + 2 p) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.8.3

Factor $2$ out of $2 p$ .

${(\frac{(2 (m) + 2 (n) + 2 (p)) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.8.4

Factor $2$ out of $2 (m) + 2 (n)$ .

${(\frac{(2 (m + n) + 2 (p)) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.8.5

Factor $2$ out of $2 (m + n) + 2 (p)$ .

${(\frac{2 (m + n + p) (m + n + p + q + r - (m + n + p - q - r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.9

Apply the distributive property.

${(\frac{2 (m + n + p) (m + n + p + q + r - m - n - p - - q - - r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.10

Simplify.

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Step 2.10.1

Multiply $- - q$ .

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Step 2.10.1.1

Multiply $- 1$ by $- 1$ .

${(\frac{2 (m + n + p) (m + n + p + q + r - m - n - p + 1 q - - r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.10.1.2

Multiply $q$ by $1$ .

${(\frac{2 (m + n + p) (m + n + p + q + r - m - n - p + q - - r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.10.2

Multiply $- - r$ .

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Step 2.10.2.1

Multiply $- 1$ by $- 1$ .

${(\frac{2 (m + n + p) (m + n + p + q + r - m - n - p + q + 1 r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.10.2.2

Multiply $r$ by $1$ .

${(\frac{2 (m + n + p) (m + n + p + q + r - m - n - p + q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.11

Subtract $m$ from $m$ .

${(\frac{2 (m + n + p) (n + p + q + r + 0 - n - p + q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.12

Add $n$ and $0$ .

${(\frac{2 (m + n + p) (n + p + q + r - n - p + q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.13

Subtract $n$ from $n$ .

${(\frac{2 (m + n + p) (p + q + r + 0 - p + q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.14

Add $p$ and $0$ .

${(\frac{2 (m + n + p) (p + q + r - p + q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.15

Subtract $p$ from $p$ .

${(\frac{2 (m + n + p) (q + r + 0 + q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.16

Add $q$ and $0$ .

${(\frac{2 (m + n + p) (q + r + q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.17

Add $q$ and $q$ .

${(\frac{2 (m + n + p) (2 q + r + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.18

Add $r$ and $r$ .

${(\frac{2 (m + n + p) (2 q + 2 r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.19

Factor.

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Step 2.19.1

Factor $2$ out of $2 q + 2 r$ .

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Step 2.19.1.1

Factor $2$ out of $2 q$ .

${(\frac{2 (m + n + p) (2 (q) + 2 r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.19.1.2

Factor $2$ out of $2 r$ .

${(\frac{2 (m + n + p) (2 (q) + 2 (r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.19.1.3

Factor $2$ out of $2 (q) + 2 (r)$ .

${(\frac{2 (m + n + p) (2 (q + r))}{(m + n + p) (q - r)})}^{- 2}$

Step 2.19.2

Remove unnecessary parentheses.

${(\frac{2 (m + n + p) \cdot 2 (q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 2.20

Multiply $2$ by $2$ .

${(\frac{4 (m + n + p) (q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 3

Reduce the expression $\frac{4 (m + n + p) (q + r)}{(m + n + p) (q - r)}$ by cancelling the common factors.

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Step 3.1

Cancel the common factor.

${(\frac{4 (m + n + p) (q + r)}{(m + n + p) (q - r)})}^{- 2}$

Step 3.2

Rewrite the expression.

${(\frac{4 (q + r)}{q - r})}^{- 2}$

Step 4

Apply the product rule to $\frac{4 (q + r)}{q - r}$ .

$\frac{{(4 (q + r))}^{- 2}}{{(q - r)}^{- 2}}$

Step 5

Apply the product rule to $4 (q + r)$ .

$\frac{4^{- 2} {(q + r)}^{- 2}}{{(q - r)}^{- 2}}$