Question

Factorize 39xyz (x + y)(y+z)(z+x) by 78xy (y+z) (z+x)

Answer 1

39xz +39yz /28 is the correct answer

Answer 2

39xyz(x+y)(y+z)(z+x)/78xy(y+z)(z+x)

39xyz(x+y)/78xy

z(x+y)/2