SOLUTION: Factor the expression 49x^2-42xy+9b^2 I got the answer (7x-3y)(7x-3y), something tells me this is wrong however. I've worked on it for the last 3 hours now and just need some hel

Question 550489: Factor the expression 49x^2-42xy+9b^2
I got the answer (7x-3y)(7x-3y), something tells me this is wrong however. I've worked on it for the last 3 hours now and just need some help I guess.
Found 2 solutions by Edwin McCravy, scott8148:
Answer by Edwin McCravy(20059) (Show Source): You can put this solution on YOUR website!
(7x-3y)(7x-3y) is correct except there is one more step.
Since both factors are the same, you can write that simpler as
(7x-3y)�
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
if the expression is written correctly, it is not factorable

if it is this "49x^2-42xy+9y^2"' then your factors are correct

if it is this "49x^2-42xb+9b^2"' then the factors are ___ (7x-3b)(7x-3b)
RELATED QUESTIONS
Completely factor the expression 147x^2y + 42xy^2 + 3y^3 (answered by scott8148,Earlsdon)
6. Factor the expression into a product of binomials. 49x^2-42xy+9y^2 I don't... (answered by rfer)
Could someone please show me the steps in solving this problem. (e^7x - e^-7x)^2 -... (answered by mananth,rothauserc)
Factor the expression 49x^2 - 42xy + 9y^2 into a product of binomials. (answered by Alan3354)
Factor the expression 49x^2 � 42xy + 9y^2into a product of binomials. (answered by MathLover1)
98x2 − 32y2 Factor - please help, I think the correct answer is: 2(49x^2 �... (answered by scott8148)
The question is multiply: (x^8 + 7x) (x^8 - 7x) Here's what I got. x^8(x^8) +... (answered by checkley77,Alan3354)
{{{(7x-14)/7x}}} the answer i got is 14, but my teacher said i got... (answered by longjonsilver)
I need help with this expression. {{{4x+3(2x-1)}}} the answer that I got was 7x(8x-1) (answered by rchill)