4.16.24 21st Century Movements for Black Lives.pptx
Moooniiikitha
1. 1) PRODUCTO DE DOS BINOMIOS DE LA FORMA (X + A)(X + B)
A) (ax+1 – 6) (a x+1 – 5)
= a2x+2 – 5ax+1 - 6ax+1 + 30
= a2x+2 – 11ax+1 + 30
2) EL CUADRADO DE UN MULTINOMIO
A) (x – 2y + z – 3r)2
= (x)2+(-2y)2+(z)2+(-3r)2 +2(x)(-2y)-2(x)(z)+2(x)(-3r)
+2(-2y)(z)+2(-2y)(-3r) +2(z)(-3r)
= x2 - 4y2 + z2 – 9r2 – 4xy – 2xz – 6xr – 4yz + 12yr – 6zr
3) FACTORAR O DESCOMPONER EN DOS FACTORES
A) 24 a2xy2 – 36x2y4
Factor común: 12xy2
=12xy2(2a2-3xy2)
B) (a + 3) (a + 1) -4(a +1)
= (a + 3) (a + 1) = a + 3
(a + 1)
= - 4 (a +1) = -4
a+1
= a + 3 (a + 1) – 4 (a + 1) = (a + 1) (a + 3 - 4)
= (a + 1)(a – 1)