Answer:
The equation can become 4x − 12 − 5x − 5 = 3 by applying the distributive property.
Step-by-step explanation:
By applying the distributive law to this equation, we can produce the equation :
   4x − 12 − 5x − 5 = 3;
The distributive property is a mathematical function in which each element in the parentheses is multiplied by the one outside of it;
  4(x − 3) − 5(x + 1) = 3
In the equation;
 4 distribute over the first parentheses and -5 over the second one;
  So we expand;
   4x - 13 - 5x -5  = 3
In distributive property, expansion simply takes place.