Question

1.(-a+b+c)² formula
2.(a-b+c)²formula
3.(-a+b+c)²formula
ANSWER THIS FAST AS POSSIBLE....I WILL GIVE 5 STAR
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Answer 1

Answer:

a²+b²+c²+2ab+2bc+2ca

a²+b²+c²-2ab-2bc+2ac

a²+b²+c²-2ab+2bc-2ca