20-08-2015
Mathematics

contestada

How to solve the polynomial:
(x-7)^2

Respuesta :

crisforp crisforp

20-08-2015

( x - 7 )^2 = x^2 - 2*x*7 + 7^2 = x^2 - 14x + 49 because ( a - b )^2 = a^2 -2ab + b^2 ;

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