Question

I need help with 2 this is hard

Answer 1

2.
`3m^2 - 3m - 18 = 3(m^2-m-6)=3(m-3)(m+2)`

3.
`3x^2-3y^2=3(x^2-y^2)=3(x+y)(x-y)`

4.
`y^4-16=(y^2-4)(y^2+4)=(y-2)(y+2)(y^2+4)`

5.
`6x^2+14x+4 = (3x+1)(2x+4)`

6.
`36my^2+12my-15m = m(36y^2+12y - 15)=m(6y-3)(6y+5)`

Hope that helps!