Math, asked by palarchana708, 6 months ago

factorise 9z²-x²+ 4xy - 4y²

Answers

Answered by Imblank

17

Step-by-step explanation:

9z²-(x²-4xy+4y²)

9z²-{(x)²-2.x.2y+(2y)²}

9z²-(x-y)²

(3z)²-(x-y)²

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

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Answered by Sonukashyap2610

9

Answer:

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

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