factoring+with+algebra+tile's

1.) how do you use algebra tiles to factor 6x^2+3x? describe it in your own wards

2.) explain why the tiles show how to factor 6x^2+3x??

3.)what would be the factors of 6x^2+3x?

4.)with out using tiles how could you find the factors of 5x^2+15x?

5.)show that your answer is right in 4 by muiltiplying them back together to get 5x^2+15x