Question

xy^2z^2 +3x^2y^2z - 4x^2yz-9x^2y^2z+3xy^2z^2 +x^2yz^2
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Answer 1

The addition is as follows: The result is as follows 4xy2z2-6x2y2z-3x/add-xy-2z-2-3x-2y-2z-4x-2yz-2

The result is as follows 4xy2z2-6x2y2z-3x2yz2

Answer 2

Answer:

your question cannot be clear.

please post your question again with full detail then I will help you