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Ayuda es urgente esta no la entiendo?

Ayuda es urgente esta no la entiendo.

En resumen

Los binomios cuadrados son de la forma : <img src="https://tex.z-dn.net/?f=%28x%20%2B%20a%29%5E%7B2%7D" /> = <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" /> + 2 * x * a + <img src="https://tex.z-dn.net/?f=a%5E%7B2%7D" /><img src="https://tex.z-dn.net/?

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Alejandrohangan
4

Los binomios cuadrados son de la forma : <img src="https://tex.z-dn.net/?f=%28x%20%2B%20a%29%5E%7B2%7D" /> = <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" /> + 2 * x * a + <img src="https://tex.z-dn.net/?f=a%5E%7B2%7D" /><img src="https://tex.z-dn.net/?f=%28x%20-%20a%29%5E%7B2%7D" /> = <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" /> - 2 * x * a + <img src="https://tex.z-dn.net/?f=a%5E%7B2%7D" />Entonces, los binomios dados se resuelven de la siguiente manera : a.

<img src="https://tex.z-dn.net/?f=%284x%20-%205y%29%5E%7B2%7D" /> = <img src="https://tex.z-dn.net/?f=%284x%29%5E%7B2%7D" /> - 2 * 4x * 5y + <img src="https://tex.z-dn.net/?f=%285y%29%5E%7B2%7D" />16<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" /> - 40xy + 25[img = 10]b.

[img = 11] = [img = 12] + 2 * 3x * 2y + [img = 13]9[img = 14] + 12xy + 4[img = 15]c.

[img = 16] = [img = 17] + 2 * 2x * 3y + [img = 18]4[img = 19] + 12xy + 9[img = 20]d.

[img = 21] = [img = 22] + 2 * ( - 12v) * 7z + [img = 23]144[img = 24] - 168vz + 49[img = 25]e.

[img = 26] = [img = 27] + 2 * ([img = 28])a * ([img = 29])b + [img = 30][img = 31][img = 32] - [img = 33]ab + [img = 34][img = 35]f.

[img = 36] = [img = 37] + 2 * ([img = 38])j * ([img = 39])a + [img = 40][img = 41][img = 42] - [img = 43]ab + [img = 44][img = 45].