Question

(a+b-c)²=?
please help​

Answer 1

Step-by-step explanation:

dear ur ans,

 (a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ca

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Answer 2

Answer:

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

Step-by-step explanation:

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