KevinReyesClaret2007 KevinReyesClaret2007

03-02-2021
Mathematics

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Henry wrote 4z² - z² as 4. Are 4z² - z² and 4 equivalent expressions?

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KushinaUzumaki146 KushinaUzumaki146

03-02-2021

No, a lone variable has an invisible one in front of it, So 4z (can’t put the top number sorry) So 4z - z would equal 3z

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