Factor the following trinomial expression by a method of your choice: 2x2 - 5x - 3.

A. (2x + 1)(x + 3)
B. (2x - 1)(x - 3)
C. (2x + 1)(x - 3)
D. (2x - 1)(x + 3)

Question

Factor the following trinomial expression by a method of your choice: 2x2 - 5x - 3.


 A. (2x + 1)(x + 3) 
 B. (2x - 1)(x - 3) 
 C. (2x + 1)(x - 3) 
 D. (2x - 1)(x + 3)

ranga · Answer

2x2 - 5x - 3 = 2x^2 - 6x + x - 3

Take the first two terms and factor 2x out of it.  Take the last two terms and factor 1 out of it.  What do you get?

cenaida · Answer

is it D

ranga · Answer

C.

tkhunny · Answer

I am delighted by this problem statement.  It does NOT rule out the choice, "Get someone else to do it!"  Excellent.

cenaida · Answer

wtf?..... @tkhunny

tkhunny · Answer

No insult or cut intended.  Really, I like that this solution is available, according to the problem statement.  Since you have shown no work on this problem, it is no big deal.  This is allowed by the problem statement.