Exercises: Add the following polynomials (Show Solutions)
1. (14y) + (23y) + (-34) =
2. (7m + 12) + (3m - 8) + (2m + 1) =
3. (7x + 3y - 42) + (8x + 5z) + (6y - 9z) =
4. (3r2 - 10r + 3) + (5r2 - 78 - 9) =
5. (x2 - 6x2 + 12x + 9) + (4.x2 - 15) - imark
1. (14y) + (23y) + (-34) =
2. (7m + 12) + (3m - 8) + (2m + 1) =
3. (7x + 3y - 42) + (8x + 5z) + (6y - 9z) =
4. (3r2 - 10r + 3) + (5r2 - 78 - 9) =
5. (x2 - 6x2 + 12x + 9) + (4.x2 - 15) - imark
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Answer:
1. 37y - 34
2. 12m + 5
3. 15x + 9y - 4z - 42
4. 8r2 - 17r - 6
5. x3 - 2x2 + 12x - 6