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Shalnov [3]
4 years ago
11

Plz help me out to get the best answer

Mathematics
1 answer:
Alja [10]4 years ago
5 0

Step-by-step explanation:

(2b^2-10d)-(-4b^2)=2b^2-10d+4b^2\\\\\text{combine like terms}\\\\=(2b^2+4b^2)-10d=6b^2-10d

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