subtract 2m-7q+5 from 4p+2q and add your result to 7m2-3m+9q-1
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Step-by-step explanation:
(4p+2q)-(2m-7q+5) +(7m2-3m+9q-1)
→4p+2q-2m+7q-5+7m²-3m+9q -1
→ 4p +2q+7q+9q-2m-3m-5-1+7m²
→ 4p+18q-5m-6+7m²
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