Simplify the Expression $$\frac { ( x - 7 ) ( x + 1 ) } { ( x + 1 ) ( x + 7 ) }$$

question 19

Multiple Choice

Simplify the expression. Assume the denominator is nonzero. $$\frac { ( x - 7 ) ( x + 1 ) } { ( x + 1 ) ( x + 7 ) }$$

• A) \(\frac { x + 8 } { x + 5 }\)
• B) \(\frac { x - 7 } { x + 7 }\)
• C) \(\frac { x - 8 } { x + 7 }\)
• D) \(\frac { x - 7 } { x + 1 }\)
• E) \(\frac { x + 1 } { x + 7 }\)

---

Definitions:

Denominator

In a fraction, the number below the line which indicates the total number of parts into which the whole is divided.

Fraction

A mathematical expression representing the division of one quantity by another; it consists of a numerator and a denominator.

Multiply

The mathematical operation of increasing one number by the value of another, a basic arithmetic function symbolized by the symbol “x” or “*”.