Alguien que me ayude con este trinomio cuadrado perfecto 25a4 + 54a2b2 + 49b4​?

Respuesta : Explicación paso a paso : <img src="https://tex.z-dn.net/?f=%5Ctexttt%7BLa%20expresi%5C%27on%20es%3A%7D%5C%5C25a%5E%7B4%7D%2B54a%5E%7B2%7Db%5E%7B2%7D%2B49b%5E%7B4%7D" /><img src="https://tex.z-dn.net/?f=%5Ctexttt%7Bluego%20veamos%20si%20la%20expresi%5C%27on%20dada%20es%20un%20T.C.P%2Cpara%20eso%20veamos%7D%5C%5C%5Ctexttt%7Bsi%20el%20primero%20y%20el%20tercer%20t%5C%27ermino%20tienen%20ra%5C%27ices%7D%5C%5C%5Ctexttt%7Bcuadradas%20exactas%2Cm%5C%27as%20el%20doble%20producto%20de%20estas%20ra%5C%27ices%7D%5C%5C%5Ctexttt%7Bnos%20da%20el%20t%5C%27ermino%20de%20en%20medio%2C%20entonces%3A%7D%5C%5C%5Csqrt%7B25a%5E%7B4%7D%7D%3D%5Csqrt%7B25%7D%5Csqrt%7Ba%5E%7B4%7D%7D%3D5a%5E%7B2%7D%5C%5C%5Csqrt%7B49b%5E%7B4%7D%7D%3D%5Csqrt%7B49%7D%5Csqrt%7Bb%5E%7B4%7D%7D%3D7b%5E%7B2%7D%5C%5C2%285a%5E%7B2%7D%29%287b%5E%7B2%7D%29%3D70a%5E%7B2%7Db%5E%7B2%7D%5C%5C70a%5E%7B2%7Db%5E%7B2%7D%5Cneq%2054a%5E%7B2%7Db%5E%7B2%7D" /><img src="https://tex.z-dn.net/?f=%5Ctexttt%7BPor%20lo%20tanto%20no%20es%20un%20T.C.P%7D" /><img src="https://tex.z-dn.net/?f=%5Ctexttt%7BPara%20el%20segundo%20caso%2C%20apliquemos%20el%20criterio%20anterior%3A%7D%5C%5C26x%5E%7B4%7D-109x%5E%7B2%7Dy%5E%7B2%7D%2B49y%5E%7B4%7D%5C%5C%5Csqrt%7B26x%5E%7B4%7D%7D%3D%5Csqrt%7B26%7D%5Csqrt%7Bx%5E%7B4%7D%7D%3Dx%5E%7B2%7D%5Csqrt%7B26%7D%5C%5C%5Csqrt%7B49y%5E%7B4%7D%7D%3D%5Csqrt%7B7%7D%5Csqrt%7By%5E%7B4%7D%7D%3D7y%5E%7B2%7D%5C%5C2%28x%5E%7B2%7D%5Csqrt%7B26%7D%29%287y%5E%7B2%7D%29%3D14x%5E%7B2%7Dy%5E%7B2%7D%5Csqrt%7B26%7D%5Cneq-109x%5E%7B2%7Dy%5E%7B2%7D" /><img src="https://tex.z-dn.net/?f=%5Ctexttt%7BPor%20lo%20tanto%20ninguna%20expresi%5C%27on%20es%20un%20T.C.P%7D" />.