Question

4) If a = -2, b=-1 and c= 2 find the value of 3ab + bc+
ca.​

Answer 1

this is d a m n easy:

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

6 - 2 - 4

6 - 6

0

hope u understood

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Answer 2

Answer:

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

3(-3)+(-1)+0

-9-1

=-10