Al simplificar la expresion (x - y) (x ^ 2 + xy + y ^ 2) - (x + y)(x ^ 2 - xy + y ^ 2) se obtiene?
Al simplificar la expresion (x - y) (x ^ 2 + xy + y ^ 2) - (x + y)(x ^ 2 - xy + y ^ 2) se obtiene?
Al simplificar la expresion (x - y) (x ^ 2 + xy + y ^ 2) - (x + y)(x ^ 2 - xy + y ^ 2) se obtiene?
En resumen
<img src="https://tex.z-dn.net/?f=%28x-y%29%20%28x%5E%7B2%7D%20%2Bxy%2By%5E2%29-%28x%2By%29%28%20x%5E%7B2%7D%20-xy%2By%5E2%29%20" /> <img src="https://tex.z-dn.net/?
<img src="https://tex.z-dn.net/?f=%28x-y%29%20%28x%5E%7B2%7D%20%2Bxy%2By%5E2%29-%28x%2By%29%28%20x%5E%7B2%7D%20-xy%2By%5E2%29%20" />
<img src="https://tex.z-dn.net/?f=%20x%5E%7B3%7D%20-%20%20y%5E%7B3%7D%20-%20%28%20%20x%5E%7B3%7D%20%2B%20%20y%5E%7B3%7D%20%29" />
<img src="https://tex.z-dn.net/?f=%20x%5E%7B3%7D%20-%20%20y%5E%7B3%7D%20-%20%20x%5E%7B3%7D%20-%20%20y%5E%7B3%7D%20" />
<img src="https://tex.z-dn.net/?f=-2%20y%5E%7B3%7D%20" />.
(2y) * 3(x - y - 1 + z) - y(2y - 2xy - 2yz) = 6y(x - y - 1 + z) - 2y ^ 2 - 2xy ^ 2 - 2zy ^ 2 = 6xy - 6y ^ 2 - 6y + 6yz - 2y ^ 2 - 2xy ^ 2 - 2zy ^ 2 = 6xy - 8y ^ 2 - 6y + 6yz - 2xy ^ 2 - 2zy ^ 2 = 2y (3x - 4y - 3 + 3z -…
. Ahi te va la solucion.