Puzzle Four
Simplify each sum or difference. Match your answers to the correct answer in the
answer bank. Some of the answers given are not correct, so be carefull The correct
letter that matches with question one will be the first letter of the code, the correct
letter that matches question two will be the second letter of the code and so on.
1. (6x + 4)-(3x³-6)
2. (3xyz + 4xy) + (5xyz-3xy)
3. (3x³y³-6)-(-8+5x³y³)
8
312
4. (2k²-k+ 3) + (5k² + 3k-7)
A. 12a + 10b+2c
8. Bx³y³-2
C-6w+2w³-3w² + w
D.-2x³y³ +2
E. 3x²-2
Code:
5. (6a+ 5b+c)-(6a-5b+c)
6. (-6w+w²)-(-2w³ +4²-w)
7. (7x² + 3x³ - 2x + 1) - (2x³ + 7x² - 4x − 2)
8. (5x¹ - 3x² − 1) + (6x² + 2x²)
Answer Bank
F. 7x+x²-7x²+2x+3
G.11-²-1
H. 8xyz + xy
L5x¹-4x² - 6x-1
1.7k² +2k-4
K-6¹-2³ +5w².
L. 8xyz + 7xy
M. 3x+10
N. 10b
0.2x³y³-14
Math in the Midwest 2021