# Tarea

Páginas: 2 (328 palabras) Publicado: 28 de abril de 2012
TALLER MATEMATICAS
1 .RACIONALICE
2-3+52+3-5
S= 2-3+52+3-5*2+3+52+3+5 = 2+6+10-6-3-15+10+15+5(2+3)2-(5)2
= 4+2102+26+3-5 =4+21026 = 2(2+10)26* 66=26+606 = 26+4*156
= 26+2156 R/= 6+153
2. RESOLVER PARA X
14 xx-a-(x+a)22=2a3 x-a2
S=1x24-14xa-(x+a4)2=2ax3-1a23
14x2-14xa-1 4(x +a)2=2ax-a23
14 (x2-xa-(x+a))2=a(2x-a)3
14(x2-xa-(x2-2ax-a2)) =a(2x-a)314(x2-xa-x2-2ax-a2)=a(2x-a)3
14(-a2-3ax)=a(2x-a)3
-3a2-9ax=8ax-4a2
-9ax-8ax=-4a2+3a2
-17ax =-a2 R/ x= a217a x=1a17

3. RESOLVER PARAX
4X+39=8X+3718- 7X-295X-12 S/= 8(X+3)18=8X+375X-12-18(7X-29)18(5X-12)
8X+35X-12=40X2-96X+185X-444-126X+52240X2-96X+120X-288=40X2-96X+185X-444-126X+522
- 96X+120X+96X-185X+126X = 522+288-444
- 65X+126X = 366
61X = 366 R/= X= 36661 X=6 R/=64. RESOLVER
6X+79X+6= 112+5X-512X+8 = S/= 6X+73(3X+2)=112+ (5X-5)4(3X+2)
(6X+7)3(3X+2)=3X+2+3(5X-5)12(3X+2)4(6X+7)12(3X+2)= 3X+2+15X-1512(3X+2)
24X + 28 = 18X – 13
24 X - 18X = -13 – 28
6 X = 41 R/ x =-416

5. RESOLVER
25 X-29 -4X-11=3X
S/= (25X-29)2= (3X+4X-11)2
25X -29 = 9X+6 X4X-11 +4X – 11
25X -29 - 9X - 4X + 11 = 64X2-11X
12 X – 18 = 6 4X2-11X
(2 X-3 )2 = (4X2-11X)2
4X2-12X+9= 4X2-11 X
-12 X + 11X = -9
- X = - 9 R/ X = 9

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