You just need to match the terms that are the same. Let's look at number one. 2x^2 + 4x +1 + 3x^2 +6x +5 the matching parts: the 2x^2 and the 3x^2 go together. That means you can combine them here they are positive so you add them. The 4x and the 6x go together they both only have an x with them. They are both positive so you can add them together. Last you have a 1 and a 5. These are matching so you can combine them too. They are both positive too so just add them together. So your final answer would be 5x^2 + 10x + 6. Does that make sense?
Answer: 24 multiple the amount of synthetic skeins sold to the price of one synthetic skein. subtract the sum to the total. take the subtracted sum and divide it by the price of wool skeins
