Question

solve this question please friends define ​

Answer 1

Answer:

6x³+29xy-5xz-2yz+10y³

Step-by-step explanation:

4x(3x²+2y+z)-[3x(2x²-5y+3z)-2y(3x+5y²-z)

= 12x³+8xy+4xz-[6x³-15xy+9xz-6xy-10y³+2yz]

=12x³+8xy+4xz-6x³+15xy-9xz+6xy+10y³-2yz

=(12-6)x³+(8+15+6)xy+(4-9)xz-2yz+10y³

= 6x³+29xy-5xz-2yz+10y³

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