Expand : ( X + Y - Z )2 - Mathematics

Expand : ( x + y - z )²

Sum

( x + y - z )² = x² + y² + z² + 2(x)(y) - 2(y)(z) - 2(z)(x)
= x² + y² + z² + 2xy - 2yz - 2zx

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Expansion of Formula

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Chapter 4: Expansions (Including Substitution) - Exercise 4 (C) [Page 62]

Chapter 4 Expansions (Including Substitution)
Exercise 4 (C) | Q 3.1 | Page 62

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