if a = 2, b= -2, c = 1
a ^ 2 - b ^ 2 - c ^ 2 - 2ab - 2bc - 2ac
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if a = 2, b= -2, c = 1
a ^ 2 - b ^ 2 - c ^ 2 - 2ab - 2bc - 2ac
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Answer:
9
Step-by-step explanation:
1) 4-4-1+8+4-2
2) 12-3
3) 9