Factorizar 3m ^ 2 - 7m - 20 =?
Factorizar 3m ^ 2 - 7m - 20 =.
Factorizar 3m ^ 2 - 7m - 20 =.
En resumen
<img src="https://tex.z-dn.net/?f=3m%20%5E%7B2%7D%20-7m%20-%2020" /> 3m + 5 m - 4 - 12m + 5m = - 7m (3m + 5)(m - 4).
<img src="https://tex.z-dn.net/?f=3m%20%5E%7B2%7D%20-7m%20-%2020" />
3m + 5
m - 4 - 12m + 5m = - 7m
(3m + 5)(m - 4).
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] [ +…