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TEST YOURSELF Add the following polynomials. 1. 7x + 3y , 5x - 4y and - 2x - 8y 2. 9x2-2x+7 and - 6x ^ 2 + 5x - 8 3. Ba+2b, 7a + 4b and * 5a - 2b 4. 5c + 3d, - 8c - 2d and * 11c - 7d 5. 18m-11y and - 24m - 7y 6. 10x+7y, 9x-y, and 12x + 13y 7. -4a+3b-5ab and 8a - 5b + 9ab 8. 15s-6t, 2s+t and^ - 3s - 4t 9. 3.6m-1.2n and - 1.7m + 2.4n 10. 24k + 9m, - 10k - 5m and - 13k + m 11. 4m + 3p ,^ - 5m+4p, and * 3m - 12p 12. 13n-9m-8p and 11n - 18m - 7p 13. 3mn - 5m ^ 2 - 6n ^ 2 * and * 8mn + 9m ^ 2 + 8n ^ 2 14. - 26a ^ 2 + 19a - 7and * 25a ^ 2 - 8a + 9 15. 23r - 7s, - 15r - 8s, and - 18r + 32s 16. - 4y + 3, 6y - 7, - 5y - 11, and * 8y - 5 17. 37p ^ 2 - 21p - 16and * 52p ^ 2 + 14p + 25 18. 82x - 33and - 68x + 42 19. - 906mn + 518and * 328mn - 277 20 27 Ed00.​

TEST YOURSELF Add The Following Polynomials 1 7x 3y 5x 4y And 2x 8y 2 9x22x7 And 6x 2 5x 8 3 Ba2b 7a 4b And 5a 2b 4 5c 3d 8c 2d And 11c 7d 5 18m11y And 24m 7y 6 class=