Question

Simplify -a(2a-3b+4c) +-
and find its value for a=1, b=-1 and c= -2.​

Answer 1

Answers -1(2+3-8)=3

this is your answer.

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Answer 2

Step-by-step explanation:

-1(2×1-3×-1+4×-2)

-1(2+3-8)

-1(5-8)

-1(-3)

3