Al factorizar x2 / 49 - y2 / 81?
Al factorizar x2 / 49 - y2 / 81.
Al factorizar x2 / 49 - y2 / 81.
En resumen
X2 / 49 - y2 / 81 81x2 - 49y2 / 3969 (9x - 7y)(9x + 7) / 3 ^ 4 * 7 ^ 2.
X2 / 49 - y2 / 81
81x2 - 49y2 / 3969
(9x - 7y)(9x + 7) / 3 ^ 4 * 7 ^ 2.
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] [ +…