Question

Expand (x -y + z ) square

Answer 1

Answer:

(x-y+z )²

x²+y²+z²

2xy +2yz +2xz

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Answer 2

Answer:

$(x - y + z) {}^{2} \\ (x) {}^{2} + ( - y) {}^{2} + (z) {}^{2} + 2(x)( - y) + 2( - y)(z) + 2(z)(x) \\ x {}^{2} + y {}^{2} + z {}^{2} - 2xy - 2yz + 2zx$

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