Question

4x²+y²+9z²_4xy+6yz_12zx?please iska answer de dijiye please iska de de dijiye please ​

Answer 1

Step-by-step explanation:

4x² + y² + 9z² - 4xy + 6yz - 12zx

(-2x)² + (y)² + (3z)² - (2*2x*y) + (2*y*3z)- ( 2*2x*3z)

-a² +b²+c² -2ab +2bc +2ca

(-a+b+c)²

(-2x + y + 3z)²

${\boxed{\boxed{\mathcal{(-2x+y+3z)(-2x+y+3z)}}}}$ is the answer...

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