jeydilopez18 jeydilopez18

19-03-2020
Mathematics

contestada

64-81d^2
How do I do this?

Respuesta :

Danboghiu66 Danboghiu66

19-03-2020

It is not clear what you want.

64=8²

81d²=(9d)²

64-81d²=8²-(9d)²=(8-9d)(8+9d)

Is this OK?

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