Math, asked by suraiyarajjaque, 8 months ago

x2 + 4y2 + 9z² - 4xy + 12yz - 6zx

Answers

Answered by krishnanmridu

2

Answer:

Step-by-step explanation:

x²+4y²+9z²+2(-2xy+6yz-3zx)

=(x-2y-3z)²

(a-b-c)²=a²+b²+c²+2(-ab+bc-ca)

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