alvinjoby721 alvinjoby721

14-03-2022
Mathematics

contestada

Subtract 7a

2

-4ab+2b

2

from 3ab+7a2+2b2

Respuesta :

devishri1977 devishri1977

14-03-2022

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.

= 3ab + 4ab + 7a² - 7a² + 2b² - 2b²

= 7ab

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