Simplifiquem as expressões a) 3a(a-b)-2a(a+b).... Pergunta de ideia deAmandalindafore

Amandalindafore @Amandalindafore

May 2020 1 44 Report

Simplifiquem as expressões a) 3a(a-b)-2a(a+b)

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poty

Verified answer

a) 3a(a-b)-2a(a+b) =
3a² - 3ab - 2a² - 2ab=
3a² - 2a² - 5ab =
a²(3-2) - 5ab =
a² - 5ab = a(a-5b)

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amandalindafore obrigada!!

poty Valeu, Amanda!

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