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densk [106]
3 years ago
13

I) -7s (S-4t-3u) ii) -4c (2c-5d)​

Mathematics
2 answers:
kari74 [83]3 years ago
8 0

Answer:

I) -7s^2 + 28st +21su

II) -8c^2 + 20cd

Step-by-step explanation:

umka21 [38]3 years ago
3 0
I) -7s^2+28st+21su
II) -8c^2+20cd
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