Question 166204
1)  uv(21v^2-46v+24) __ uv(7v-6)(3v-4)


2) 2(16y^2-6y-1) __ 2(8y+1)(2y-1)


3) 9(4x^2+4x+1) __ 9(2x+1)(2x+1)


4) 3(x^2+18x+65) __ 3(x+13)(x+5)