Question

2) Evaluate for a= 1, b= 0, c= -1
a - 2ab + 3ac - abc

Answer 1

Answer:

-2 is the right answer

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Step-by-step explanation:

Answer 2

Step-by-step explanation:

a-2ab+3ac-abc

1-2×1×0+3×1×(-1)-1×0×(-1)

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