Question

If x= -2, y= -1 and z= 3, then find the value ofX3 + y3 + z3+3xyz

Answer 1

Answer:

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Step-by-step explanation:

subsituting values

3(-2)+3(-1)+3(3)+3(-2)(-1)(3)

=-6+(-3)+9+18

=(-9+9)+18

=18

solved

Answer 2

Answer:

18

Step-by-step explanation:

put all the value of x, y, z in the given equation

(-2) 3+(-1)3+(3)3+3(-2)(-1)(3)

-6-3+9+18

-9+9+18=18