A. Simplify the following expressions.
1. 2x – 4 + 5 + 6x – x
2. 3mm + 4mm – 6m + 5m
3. –8 + 3y – 5y – 5 + y
4. 7x – 3x – 5 – 1
B. Perform the indicated operation.
1. (2x + 5) + (–3x – 2)
2. (2x3 – 3x + 2) + (x2 – x – 1)
1. 2x – 4 + 5 + 6x – x
2. 3mm + 4mm – 6m + 5m
3. –8 + 3y – 5y – 5 + y
4. 7x – 3x – 5 – 1
B. Perform the indicated operation.
1. (2x + 5) + (–3x – 2)
2. (2x3 – 3x + 2) + (x2 – x – 1)
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A.
1. 7x + 1
2. 7mm - 1m
3. -y - 13 or y + 13
4. 4x - 6 or 2x - 3
B.
1. -x + 3 or x - 3
2. 2x^3 + x^2 - 4x + 1