9514 1404 393
Answer:
 4(3x +8)
Explanation:
You are being asked to factor 4 from each of the terms of the expression and use the distributive property to show the result.
 12x +32
 = 4(3x) +4(8)
 = 4(3x +8)
The numbers that go in the boxes, left to right, are ...
 4, 3, 8