Question

PLS TELL THE RIGHT ANSWER

Answer 1

Answer:

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Answer 2

Answer:

$(a-b+c)(a-b-c)=a^{2} +b^{2} -c^{2} -2ab$

Step-by-step explanation:

$(a-b+c)(a-b-c)=a^{2} -ab-ac-ba+b^{2} +bc+ac-bc-c^{2}$

                                 $=a^{2} +b^{2} -c^{2} -2ab$

Hence the answer

thank you