Math, asked by Genuis, 1 year ago

Factorise 9x^2-12ax-y^2-z^2-2yz+4a^2

Answers

Answered by manjarighosh

4

9x²-12ax+4a²-(y²+z²+2yz)
=(3x-2a)²-(y+z)²
=(3x-2a+y+z)(3x-2a-y-z)

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