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Subtracting Polynomials

Subtract the given polynomials. Match to the correct answer.

Definitions:
(x^3 - 2x^2) - (3x^2 - 4x^3) print quizzes , (3x^2 - 5x %2b 3) - (2x^2 - x - 4) prepare quiz , (5x^3 %2b 3x^2 %2b 1) - (2x^3 - x^2 %2b 3), (x^3 %2b 3x^2 %2b 5x - 4) - (3x^3 - 8x^2 - 5x %2b 6), (6x^3 - 2x^2 %2b 8x) - (4x^3 - 11x %2b 10) , (-x^2 %2b 8x %2b 1) - (5x^2 %2b x %2b 1) , (8x %2b x^2 - 6) - (-10x %2b 7 - 2x^2) print quizzes , (5x %2b 4) - (5x %2b 3), (8x^3 - 6x %2b 10) - (x^3 %2b 10x - 9) , (3x^2 %2b 5x - 6) - (2x^2 %2b 3x - 3) , (8 - 5x^2) - (7x^2 %2b 5) , (13x^2 - 6x^5 - 2x) - (-10x^2 - 11x^5 %2b 9x), (6x^4 - x^3 %2b 5) - (2x^4 %2b 3x^3 - 1), (5x^2 - 12x %2b 1) - (2x^2 %2b 3x - 7) , (6x %2b 14) - (9x %2b 5) , (3x^5 %2b 8x^3 - 10x^2) - (-12x^5 %2b 4x^3 %2b 14x^2),

Answers:
1, 5x^3 - 5x^2, -3x %2b 9 test , 7x^3 - 16x %2b 19 web tool , -12x^2 %2b 3, x^2 %2b 2x - 3, 2x^3 - 2x^2 %2b 19x - 10, x^2 - 4x %2b 7 , 3x^2 - 15x %2b 8 , 4x^4 - 4x^3 %2b 6, 5x^5 %2b 23x^2 - 11x, -6x^2 %2b 7x, 3x^2 %2b 18x - 13, -2x^3 %2b 11x^2 %2b 10x - 10, 15x^5 %2b 4x^3 - 24x2, 3x^3 %2b 4x^2 - 2,