Pre – alg even more simplification wk
9
1. 3(x – 4y) – 2(y + 7x)
5. 7[2(p – 7) – ( - 4p)]
9. –x² - x(2x – 4)
2. n(n + 5) + 4(-n + 3n²)
6. k[3 – (k + 2)] + 5(k² - 4k)
10. 3w⁴ + w(w⁵ + 1)
3. -5[3y – 2(6 – y)]
7. (5y – 4)(-3) + y
4. 6b(a + 4) – 2a(b – 4)
8. 45x + (9 - x)3
11. 11a – 3a² + 6a – 7a²
12. 23 + 4(2m + n) – 5m – 27
Answers to pre alg simp wk x
1. – 11x – 14y
7.- 14y + 12
2. 13n² + n
8. 42x + 27
3. – 25y + 60
9. -3x² + 4x
4. 24b+ 8a + 4ab
10. w⁶+ 3w⁴ + w
5. 42p – 98
11. 17a – 10a²
6. 4k² - 19k
12. 3m + 4n - 4