ANSWER: b. 2/p + 3/(p+1) = 5
LCD: (p) (p+1)
Multiply each term by LCD, then simplify:
2p + 2 + 3p = (5p) (p+1)
2p + 3p + 2 = 5p² + 5p
5p² + 5p - 5p + 2 = 05p² + 2 = 0
⇒ the equation is a second degree polynomial
Note: The rest of the given items are linear equation, a firs-degree equation.