SOLUTION: Hi; I was wondering if you could help me with this problem. I am to "factor our the GCF in each expression. a(a+1) -3(a+1) Can you show me how to do this type question? I'm al

Question 326695: Hi; I was wondering if you could help me with this problem. I am to "factor our the GCF in each expression. a(a+1) -3(a+1)
Can you show me how to do this type question?
I'm also supposed to "factor each polynomial. 9a^2 - 64b^2. Can you show me the steps of this one too?
Thank you so much for your help!
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
a(a+1) -3(a+1)
(a+1) is common in the expression
(a+1)(a-3)
..
9a^2 - 64b^2.
this can be written as

use the difference of squares formuls

In our equation a corresponds to 3a & b corresponds to 3b

RELATED QUESTIONS
Hello can someone please explain and help me with this problem? Do I have to put the a's... (answered by scott8148)

Hi, my name is Christy. Our professor passes out sheets in our class and I was wondering... (answered by Alan3354,jim_thompson5910)

Hi, I was wondering if someone could help me with this problem. I am told to expressthe... (answered by mathie123)

Hi i was wondering if you can help me solve a problem i am having trouble with. Use... (answered by Waleak)

Hi. My teacher gave me a packet to do for a test next wed and i was wondering if you... (answered by Alan3354)

Hi! I was wondering if you could help me with this problem please: A commercial jet can... (answered by venugopalramana)

Hi, I am confused about this problem and was wondering if you could help me. Solve the (answered by josgarithmetic)

Tutor, I was wondering if you could help me with this problem? Find the equation (answered by stanbon)