Simplifying Rational Expressions

• -2 and 5

• 2 and -5

• 0, 2, and -5

• 0, -2, and 5

Which value of x makes the expression undefined?

• -2
• 2
• -6
• -3

Factor
n² + 5n - 6

• (n - 2)(n - 3)
• (n - 1)(n + 6)
• (n + 1)(n - 6)
• (n + 2)(n - 3)

Factor x²-2x-15

• (x+5)(x-3)
• (x-5)(x-3)
• (x-5)(x+3)
• (x+5)(x+3)

Simplify. 

• (x+6)/(x+4)
• (x+6)(x+4)
• (x+6)
• (x+6)/(x-5)

Simplify.