Question

Factor the following..
1. 4r²-4r+1
2. 9s²+12s+4
3. 16t-9
4. 49-100a²
5. 25b²-60b+36
6. 81c²+198c+121

Answer 1

Im so sorry, i havent done this in so long, im afraid if i even tried to help, i would only make i worse! :/

Answer 2

Too many questions, no one is going to want to help with 6 questions at once, even if they are simple.

Answer 3

You would of been better off if you listened and followed along with shamil

Answer 4

who said you had to answer all of them?

Answer 5

Sorry, way too many questions.

Answer 6

You don't have to answer all of them!

Answer 7

1) 4r^2 - 4r + 1 = 4r^2 -2r - 2r + 1 = 2r(2r - 1) - 1(2r - 1) = (2r - 1)(2r - 1)
or (2r - 1)^2

Answer 8

I would read up on this one http://www.mathsisfun.com/algebra/binomial-theorem.html