1.

Find the product : (4x - 2y + z) ( 5x - 5y +z) plz give the answer fastif u give answer I will follow u confirmmm.....​

Answer»

20x^2-20xy+4xz+10y^2-2yz+5xz-5yz+z^220x^2-20xy+9xz10y^2-7yz+z^2



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