Question

(7ax + 4b - y) - (10ax - 56y)

Answer 1

(7ax + 4b - y) - (10ax - 56y)
7ax+4b-y-10ax+56y
-3ax+4b+55y  .......resultado

Answer 2

  (7ax +4b -y) - (10ax -56y)
= 7ax +4b -y -10ax +56y
= - 3ax + 4b + 55y