Factorizar x2 - 2xy + y2 - 1?
Factorizar x2 - 2xy + y2 - 1.
Factorizar x2 - 2xy + y2 - 1.
En resumen
<img src="https://tex.z-dn.net/?f=%20%20x%5E%7B2%7D%20-2xy%2B%20y%5E%7B2%7D%20%0A%3D%20%28x-y%29%5E%7B2%7D%20-1%0A%3D%28x-y%2B1%29%28x-y-1%29" />.
<img src="https://tex.z-dn.net/?f=%20%20x%5E%7B2%7D%20-2xy%2B%20y%5E%7B2%7D%20%0A%3D%20%28x-y%29%5E%7B2%7D%20-1%0A%3D%28x-y%2B1%29%28x-y-1%29" />.
Bueno 84 es haces el mcm y te queda asi 2×2×3×7 2 al cuadrado ×3×7.
a(a + 1) - b(a + 1) (a + 1)(a - b) a(x + 1) - b(x + 1) + c(x + 1) (x + 1)(a - b + c) x - 9 x + 8 - 9x + 8x = - x (x - 9)(x + 8) [ (a + 2) + (a - 3)] [(a + 2) - (a - 3)] [ a + 2 + a - 3 ] [ a + 2 - a + 3 ] [2a - 1] [ +…