Question

the sum of a square minus b square minus c square and square + b square + c square is​

Answer 1

Answer:

2a^2

Step-by-step explanation:

=a^2-b^2-c^2+a^2+b^2+c^2

=a^2+a^2-b^2+b^2-c^2+c^2

=2a^2

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