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Mathematics, 20.12.2020 02:10 oasmith2005

Simplify the expression: 1. -0.8b^2+7.4b+(5.6b-0.2b^2)
2. (7.3y-y^2+4)+0.5y^2-(8.7y-2.4y^2) PLZ HELP
URGENT!

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Simplify the expression: 1. -0.8b^2+7.4b+(5.6b-0.2b^2)
2. (7.3y-y^2+4)+0.5y^2-(8.7y-2.4y^2) P...

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