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4 votes
The square of (-abc) is

User Zachscs
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2 Answers

7 votes

We know

  • (ab)^m=a^mb^m

Now


\\ \sf\longmapsto (-abc)^2


\\ \sf\longmapsto (-abc)(-abc)


\\ \sf\longmapsto (-a)^2(b)^2(c)^2


\\ \sf\longmapsto a^2+b^2+c^2

User Tim Richard
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4.0k points
5 votes
It is read as a minus b minus c whole square. The (a - b - c)2 formula is expressed as (a - b - c)2 = a2 + b2 + c2 - 2ab + 2bc - 2ca.
User Alok Srivastava
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3.7k points