Usamos ( a - b)² = a² - 2ab + b²
{w}^{2} - 2wz + {z}^{2}w
2
−2wz+z
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Verified answer
Usamos ( a - b)² = a² - 2ab + b²
{w}^{2} - 2wz + {z}^{2}w
2
−2wz+z
2