1) 4x^2-24x+20

2) 12p^2+23p+10

3)12x^2-24x-15

4)12x^2+48x+96

5)y^2-7y+6

6)28m^2-5m-3

Can some one help me? So far ive gotten:

1) (x+5) (4x+4)

Mr Fantastic says: Wrong. Expand it and see why.
2) Not factorable

Mr Fantastic says: Wrong.
3) Not factorable

Mr Fantastic says: Wrong. For starters, 3 is a common factor. The quadratic factor can be factorised.
4) Not factorable

Mr Fantastic says: Wrong. 12 is a common factor.
5) (x-6) (x-1)

Mr Fantastic says: Wrong pronumeral.
6) (m+12) (28m-7)

Mr Fantastic says: Expand it and check for yourself.
Im scared cus how can 3 problems be not factorable! Theres definitely a problem!

SOLVED!!!!!!