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Sergio039 [100]
2 years ago
10

Subtract 7a2-4ab+2b2from 3ab+7a2+2b2

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
4 0

Answer:

Step-by-step explanation:

3ab + 7a² + 2b² - (7a² - 4ab + 2b²) = 3ab + 7a² + 2b²  - 7a² + 4ab - 2b²

Now combine like term. Like terms have same variable with same power.

= <u>3ab + 4ab</u>  <u>+ 7a² - 7a²</u>  + <u>2b² - 2b²</u>

= 7ab

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