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puteri [66]
3 years ago
9

For x = 4, y = -1, and z= -3 2x(3y – 4z) 3(5x + 4z) SIEME

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
7 0

Answer:

  1. 72
  2. 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

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