Question

iii) a2 - 62 - c2 - 2ab - 2bc - 2ac if expression is a=2, b=-2, c=1​

Answer 1

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a^2 - 6^2 - c^2 - 2ab - 2ac

2^2 + 36 - 1^2 - ( 2 × 2 × 2 ) - ( 2 × 2 × 1 )

4 + 36 + 1 - 8 - 4

41 - 12

29