11th grade math
posted by Deanna .
y=4x^216x+12

4(x^24x+3)
You can factor this further by seeing which 2 numbers subtract to 4 (your middle term) and add to 3 (your last term). Post if you want it checked/need help. 
4[x^23xx+3]
=4[x[x3)1(x3)]
=4[x1][x3] 
4[x1][x3]