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 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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