When asked to factor the trinomial 9x^2+12x+4 , a student gives the answer (3x - 2)(3x - 2). What is one thing wrong with this answer?
A. 3 is also a factor of this trinomial
B. There is nothing wrong with the answer
C. The factors are not simplified
D. The minus signs should be plus signs

Question

When asked to factor the trinomial 9x^2+12x+4 , a student gives the answer (3x - 2)(3x - 2). What is one thing wrong with this answer?
 		A.	3 is also a factor of this trinomial
 		B.	There is nothing wrong with the answer
 		C.	The factors are not simplified
 		D.	The minus signs should be plus signs

aum · Answer

9x^2+12x+4 = 9x^2 + 6x + 6x + 4 = 3x(3x + 2) + 2(3x + 2) = 
(3x + 2)(3x + 2)

anonymous · Answer

so D