solve this question please friends define
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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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