1) 3ab+9ac+27ad = 3a(b+3c+9d)2) 4xy+8xz-16 = 4(x(y+2z)-4)3) 0,2mn-0,8mk+16m = 0.2m(n-4k+80)4) 9tk-18tx+27t = 9t(k-2x+3)
1) 3ab+9ac+27ad = 3a(b+3c+9d)
2) 4xy+8xz-16 = 4(x(y+2z)-4)
3) 0,2mn-0,8mk+16m = 0.2m(n-4k+80)
4) 9tk-18tx+27t = 9t(k-2x+3)