Simplify Rational Expressions

Simplify. 

• (m+6)/(m-3)

• 7/(m-3)

• 7(m+6)

• (m-3)

Simplify the rational expression.

x + 9

---------

x² - 81

• (x - 9)

  -------

  (x + 9)

• 1

  -------

  (x - 9)

• (x+9)

• 1

  -------

  9x

Simplify by cancelling

• 1

• -1

• Can't be simplified

Simplify 

• A.(x+7)/(x-4)

• B.-3/4

• C.(x+3)/(x+4)

• D.(x+3)/(x-4)

Simplify

• (x+7)/(x-3)

• (x-4)/(x-9)

• (x-6)/(x-3)

• (x+4) / (x-9)

Simplify. 

• (m+6)/(m-3)

• 7/(m-3)

• 7(m+6)

• (m-3)