Question

Ayuda porfis :( doy corona al que lo haga

Answer 1

Explicación paso a paso:

E = (x + 1) . (x - 1) . (x^2 + 1) + 1

E = [(x + 1) . (x - 1) ] . [ (x^2 + 1) + 1]

E = [x^2 - x + x -1] . [x^2 + 1 + 1]

E = (x^2 - 1) . (x^2 +1) + 1

E = x^4 + x^2 - x^2 - 1 + 1

E = x^4