akeriacunningham akeriacunningham
  • 14-02-2021
  • Mathematics
contestada

find a, b (3a- 2) (A+10 ) (3b - 15) (2b +5)

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diegoynfante18
diegoynfante18 diegoynfante18
  • 14-02-2021
Eeeeeeeeeeeeeeeeeeee
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christzhang55 christzhang55
  • 14-02-2021
3a2+30a-2a-20=3a2+28a-20
6b2+15b-30b-75=6b2-15b-75
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