Command Simplify Expression 
: - A sum that comprises 2 terms. The first term of the sum is equal to a rational expression: the numerator of the rational expression is a product of 2 factors. The first factor of the product is eight. The second factor of the product is r. The denominator of the rational expression is a sum that comprises 2 terms. The first term of the sum is equal to a power. The base is r. The exponent is two. The second term of the sum is equal to negative thirty six. The second term of the sum is equal to a sum containing 2 terms. The first term of the sum is a fraction: the top of the fraction is r. The bottom of the fraction is r. The second term of the sum is equal to negative six.
- eight times r over r raised to the power two plus negative thirty six plus opening parenthesis r fraction line r plus negative six closing parenthesis.
Result
: - A fraction: the top of the fraction is a negative sum that contains 3 terms. The first term of the sum is equal to a product containing 2 factors. The first factor of the product is five. The second factor of the product is equal to a power. The base is r. The exponent is two. The second term of the sum is equal to a negative product of 2 factors. The first factor of the product is eight. The second factor of the product is equal to r. The third term of the sum is negative one hundred eighty. The bottom of the fraction is a sum that comprises 2 terms. The first term of the sum is equal to a power. The base is r. The exponent is two. The second term of the sum is equal to negative thirty six.
- negative left parenthesis five multiplied by r raised to the power two plus negative eight times r plus negative one hundred eighty right parenthesis over r to the power two plus negative thirty six;
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