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Mathematics 13 Online
OpenStudy (anonymous):

What is the correct classification of 5x + 2x^2 - 8 by number of terms and by degree? What is the correct sum of the polynomials (4x^3 - 2x - 9) + (2x^3 + 5x + 3)? What is the correct simplification of the expression (3x^2y^3z^4)(2x^5y^2z^3)?

jhonyy9 (jhonyy9):

2. the sum will be 6x^3 +3x -6 3. there is product ?

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