3.
Since you know that you can easily split 4 to get to 2, just split the top as well.
4.
Since you could divide the top by the bottom since numbers already have a denominator of 1.
5.
Then multiply by 10.
Tell me if this helps!!!
Answer:
A = 4x^2 + 120x
Step-by-step explanation:
(39+2x)(21+2x)-(39*21) = 819 + 78x + 42x + 4x^2 - 819
A = 4x^2 + 120x
I don't know what you mean by "Broken apart," but I'll do my best...
20 x 90 = 1800
9 x 7 = 63
1800 + 63 = 1863
I hope this helped you! :)
Answer:
1. Element - B. A member of a set
2. Null set - A. A set containing no elements; also called the empty set
3. Set - D. A collection or group of objects indicated by braces, {}
4. Subset - C. set A is a subset of set B if all of the elements of set A are contained in set B or it is the empty set
hope this helps!