add:-x³-x²y-xy²-y³andx³-2x²y+3xy²+4y
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Answer:
(x³-x²y-xy²-y³)+(x³-2x²y+3xy²+4y)
=> (x³ + x³) + (-x²y -2x²y) + (-xy²+xy²) + (-y³) + (4y)
=>2x³ -3x²y + 0 -y³ + 4y
=> 2x³ -3x²y -y³ + 4y
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Answer
=>2x³-3x²y + 0-y³ + 4y => 2x³ -3x²y -y³ + 4y
Step-by-step explanation:
(x²-x²y-xy²-y³)+(x³-2x²y+3x²+4y)
=> (x³ + x³) + (-x²y-2x²y) + (-xy²+xy²) + (-y³) + (4y)
=>2x³-3x²y + 0-y³ + 4y => 2x³ -3x²y -y³ + 4y
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