Question

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

Answer 1

Answer:

1. 72
2. 24

Step-by-step explanation:

$x = 4\\ y = -1 \\ z= -3\\2x(3y -4z)\\= 2(4) [3(-1)-4(-3)] = 8(-3+12)\\=8 (9)\\\\=72\\\\3(5x + 4z)\\3[5(4)+4(-3)]\\3(20-12)\\3(8)\\= 24$