Assessment: Add or subtract.
1. (3x +4) + (5x-6)
2. (t² - 3t + 3) + (5t - 6)
3. (7x + 4) + (-5x - 16)
4. 2s + 3s² + 5 + s³ - 4s - 6s² + 2s³
5. (2(m + n) + + 10) + ( 20 + 7 (m + 3)
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Answers & Comments
Answer:
number 1 2(4times-1)
Step-by-step explanation:
2times 1equals 2
answer:
1. 15x²+2x-24
2. (t+3)×(t-1)
3. 2(x-6)
4. 3s³-3s²-2s+5
5. 9m + 2n + 51