Question

resolve pfr pamin : (x^2 + x-6)(x+2)
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x^4 - 16

Answer 1

Explicação passo-a-passo:

x^2 + x - 6 = (x + 3)*(x - 2)

x^4 - 16 = (x + 2)*(x - 2)*(x^4 + 4)

agora

(x + 3)*(x - 2) /  (x + 2)*(x - 2)*(x^4 + 4)  = (x + 3)/(x^4 + 4)