add 3xy^2-2y^3+x^3,5x^2y- xy^2 -3x^3,8x^3+5y^3 and 9x^2y -2x^3+xy^2
please tell me
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Answer:
4x³ + 3y³ + xy² + 14x²y
Step-by-step explanation:
(3xy² -2y³ +x³) + (5x²y -xy² -3x³) + (8x³ +5y³) + (9x²y -2x³ +xy²)
= (x³ - 3x³ + 8x³ - 2x³) + (-2y³ + 5y³) + (3xy² + xy² - xy²) + (5x²y + 9x²y)
= 4x³ + 3y³ + xy² + 14x²y
hope it helps
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