Math, asked by Queenzel, 5 months ago

x2 + 4y2 + 9z² - 4xy + 12yz - 6zx

Answers

Answered by keshavbandoola

3

Step-by-step explanation:

x² + 4y²+ 9z²- 4xy + 12yz - 6zx

( -x )²+ (2y)²+( 3z)² + 2.(-x).2y + 2.2y.3z + 2.3z (-x)

[(-x)+2y+3z)]²

(-x+2y+3z)²

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