For x = 4, y = -1, and z= -3
2x(3y – 4z)
3(5x + 4z)
SIEME
1 answer:
Answer:
- 72
- 24
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Step-by-step explanation:
![x = 4\\ y = -1 \\ z= -3\\2x(3y -4z)\\= 2(4) [3(-1)-4(-3)] = 8(-3+12)\\=8 (9)\\\\=72\\\\3(5x + 4z)\\3[5(4)+4(-3)]\\3(20-12)\\3(8)\\= 24](https://tex.z-dn.net/?f=x%20%3D%204%5C%5C%20y%20%3D%20-1%20%5C%5C%20z%3D%20-3%5C%5C2x%283y%20-4z%29%5C%5C%3D%202%284%29%20%5B3%28-1%29-4%28-3%29%5D%20%3D%208%28-3%2B12%29%5C%5C%3D8%20%289%29%5C%5C%5C%5C%3D72%5C%5C%5C%5C3%285x%20%2B%204z%29%5C%5C3%5B5%284%29%2B4%28-3%29%5D%5C%5C3%2820-12%29%5C%5C3%288%29%5C%5C%3D%2024)
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