Efectúa cada una de las siguientes expresiones utilizando los productos notables : ( x mas 2y) al cuadrado b?

Respuesta : <img src="https://tex.z-dn.net/?f=%5Cmathbf%7B%28x%2B2y%29%5E%7B2%7D%3Dx%5E%7B2%7D%2B4xy%2B4y%5E%7B2%7D%7D%5C%5C%5Cmathbf%7B%282a-3b%29%5E%7B2%7D%3D4a%5E%7B2%7D-12ab%2B9b%5E%7B2%7D%7D" />Explicación paso a paso : <img src="https://tex.z-dn.net/?f=%5Ctextbf%7BRecordemos%20los%20siguientes%20productos%20notables%3A%7D%20%5C%5C%5C%5C%28x%2By%29%5E%7B2%7D%3D%28x%29%5E%7B2%7D%2B2%28x%29%28y%29%2B%28y%29%5E%7B2%7D%5C%5C%28x-y%29%5E%7B2%7D%3D%28x%29%5E%7B2%7D-2%28x%29%28y%29%2B%28y%29%5E%7B2%7D%5C%5C%5Ctextbf%7BAplicando%20el%20primer%20producto%20al%20primer%20inciso%3A%7D%5C%5C%5C%5C%28x%2B2y%29%5E%7B2%7D%5C%5C%28x%29%5E%7B2%7D%2B2%28x%29%282y%29%2B%282y%29%5E%7B2%7D%3Dx%5E%7B2%7D%2B4xy%2B4y%5E%7B2%7D%5C%5C%5Ctextbf%7BSimilarmente%20usamos%20el%20segundo%20producto%20notable%20para%20el.%20segundo%20inciso%3A%7D%5C%5C%5C%5C%282a-3b%29%5E%7B2%7D%3D%282a%29%5E%7B2%7D-2%282a%29%283b%29%2B%283b%29%5E%7B2%7D%3D4a%5E%7B2%7D-12ab%2B9b%5E%7B2%7D" />.