Question

find the value of the expressions, if a = 2 , b= -2, c = 1 please give me correct answer ​and explanation also​

Answer 1

Answer:

a²-b²-c²-2ab-2bc-2ca

(2)²-(-2)²-(1)²-2(2)(-2)-2(-2)(1)-2(1)(2)

4-4-1+8+4-4

0-1+8-0

8-1

7

Step-by-step explanation:

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