Tajette Tajette

23-04-2020
Mathematics

contestada

combine like terms.
(7+x)(7-x)

Respuesta :

adejareharmony adejareharmony

23-04-2020

Answer:

x^2-49

Step-by-step explanation:

when u multiply the numbers in parenthesis u get 49-7x+7x-x^2 and when u simplify that u get x^2-49

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