FACTORIZARa³ + a² - 9a - 9?
FACTORIZAR a³ + a² - 9a - 9.
FACTORIZAR a³ + a² - 9a - 9.
En resumen
A³ + a² - 9a - 9 = a² * (a + 1) - 9(a + 1) = (a² - 9)(a + 1) = = (a - 3)(a + 3)(a + 1) Re / / : (a - 3)(a + 3)(a + 1) Saludos!
A³ + a² - 9a - 9 =
a² * (a + 1) - 9(a + 1) =
(a² - 9)(a + 1) = = (a - 3)(a + 3)(a + 1)
Re / / : (a - 3)(a + 3)(a + 1)
Saludos!
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] [ +…