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Mathematics, 24.03.2021 14:30 Lovescats9191

Reduce -8 + b^2 by 5 + b^2. -3
-13
2b² - 3

i know the answer is -13 but can you please explain as simply as you can how you got that? Cause i don't get it.

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Reduce -8 + b^2 by 5 + b^2. -3
-13
2b² - 3

i know the answer is -13 but can...

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