1.

(-a+b-c)² is equal to what?Please use the identity!I'll mark the appropriate answer the brainliest!!​

Answer»

Step-by-step EXPLANATION:

(-a+b-c)²=(-a+b-c)(-a+b-c)

=a^2-ab+ac-ab+b^2-bc+ac-bc+c^2

=a^2+b^2+c^2-2ab-2bc+2ac

Its your answer.



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