rtyrrell02 rtyrrell02
  • 19-05-2020
  • Mathematics
contestada

Find the product of each sum and difference.
(21+9)(21-9)

Respuesta :

invrt14
invrt14 invrt14
  • 19-05-2020

30 12

Step-by-step explanation:

21 + 9 equals 30 21 - 9 equals 12

Answer Link

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