Question

If x= 2, Y= 1, Z=3, find the value of:
x+y+z+2xyz=​

Answer 1

$x = 2 \: \\ y = 1 \\ z = 3$

$x + y + z + 2xyz$

$= 2 + 1 + 3 + (2 \times 2 \times 1 \times 3)$

$= 6 + 12$

$= 18$

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