miariley1001 miariley1001

14-08-2017
Mathematics

contestada

±√400 can someone help show steps pls

Respuesta :

Bryancohen Bryancohen

14-08-2017

The square root of 400 can be positive 20 or negative 20. 20x20=400. -20x-20=400. Hope this helps! ;)

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