Ayudaaaaaaaaaa con estos ejercicios
4X^2 Z-16YXZ +16Y^2 Z
4x^2-9y^2
4X^2 Z-16YXZ +16Y^2 Z
4x^2-9y^2
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la primera es = 4Z(X-2Y)^2
la segunda es = (2x - 3y) (2x+3y)