sarabethcochran sarabethcochran

18-01-2020
Mathematics

contestada

Which shows 42^2 − 38^2 being evaluated using the difference of perfect squares method?

Respuesta :

lchen84488 lchen84488

19-01-2020

Answer:

320

Step-by-step explanation:

42^2-38^2= (42+38)(42-38)

=80*4

=320

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