I wont solve this because Im to lazy, but I do recommend some of these sites to help you with your problem. MathPapa Algebra Calculator and PhotoMath. Hope this helps.
396 duds in 1,584 fireworks all together. Divide 1,584 by 4.
You may write them separating the units and tens digits, and then use FOIL to add 4 easy tems. For example, let's compute :
Answer:
6
Step-by-step explanation:
Not bad, i can read it. Mines worse xd