kamraaa kamraaa

09-10-2018
Mathematics

contestada

Express the following as the difference of two squares

(7a+2)(7a-2)=

Respuesta :

choixongdong choixongdong

09-10-2018

(7a+2)(7a-2)

= (7a)^2 - (2)^2

= 49a^2 - 4

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