1) 5x7-15x6+10x2-20x2     ( 5x7-15x6) +( 10x2-20x2)


R= 5x6( x-3) + 5x( 2x-4x)










2) 12y9-4y6+6y5+8y4    (12y9-4y6 ) +(6y5+8y4 )


R= 4y5( 3y4-y) + 2y( 3y4+4y3










3) 7x-14x3


R= 7(x) -7x (2x2)










4)-3x3- 18x6


R= -3 (x3 )– 9x (2x5)










5)10y3-5y2+104      (10y3-5y2) +104


R= 5y( 2y2-y)+104










6)9y3-18y2+27y   (9y3-18y2) +(27y)


R= 9y ( y2-2y) +9(3y)










7)8x8+16x5-24x4+8x3     (8x8+16x5) – (24x4+8x3)


R= 2x4(4x4+8x) – 8x3( 3x+1)










8)6x4+9x2+2x2+3    (6x4+9x2) +(2x2+3)


R= 3x2( 2x2+3) + 2(x2+1)










9)12x4+8x2+3x2+2      ( 12x4+8x2) + ( 3x2+2)


R= 4x2( 3x2+2)+ (3x2+2) = (3x2+2) + (4x2)










10) X2 +2y-2x2-4



R= 2x(x) + 2y(y) -4










11) 3ª4-6ª2-2ª2+4     ( 3ª4-6ª2) – ( 2ª2+4)


R= 3ª2 ( a2-2ª2) -2 (a2 +2)










12) 6x3-2x2+3x-1       ( 6x3-2x2) + (3x-1)


R= x ( 6x2-2x) + 3 (x) -1










13) 4x3+6x2+2x+3           ( 4x3+6x2) + (2x+3)


R= 2x (2x2+3x) +2 ( x+1+1)










14) 7x4-7x13-14x15       ( 7x4-7x13) – ( 14x15)


R= 7x2( x2-x11) -7x2( 2x3)

1er tarea 2da evaluacion

SUMA Y RESTA
1) (189x3+379x2-467x-4621) + (421x3-1265x2-637x+16274)= 610x3-886x2+1104x+11653


2) (46825x3-314589x2+222x-163578)-(654189x2+16548x3-75391x5-7733x4+113344)= 75391x5-7733x4+30277x3-968778x2+222x-2769333


3) (18/9x4+37/14x2-22/63x7-147369)-(-77/23x7+41/5x2+189/61x4-245/13)=


5357/1449x7-201/183x4-389/70x+1916042/12


MULTIPLICACION
4) (189x3) (189x11) = 35721x14


5) (19x3-9y2)(7x2+11y3) = 133x5+209x3y3-63x2y2-99y5


6) (17x2-25y3)(14x3+21x2-34x2y-18xy2) =238x5+357x4-578x4y-350x3y3+306x3y2+850x2y4-525x2y3+450xy5

7) (15x4-8y3+12z2-33xyz)(45xyz+27x3-5z2-22y4) =
405x7+630x5yz-330x4y4-75x4z2-891x4yz-216x3y3+324x3z2-1485x2y2z2-
360xy4z+705xyz3+726xy5z+40y3z2-264y4z2


ESPONENTES
8) ( 38??3y)2* 382 .?? 3.2 . y2 = 1444??6y2


9) (32??2-22??3) ¾ *32/1 – ¾ = 128/3??8/3* 22/1-3/4=
 88/4??12/3= 128/3??8/3 – 88/4??12/3


10) ( 7x-3y)( 14y-27x)* 98xy-189x2-42y2






DIVISIONES


11) 128x3-67x2+18x+49 / 4x = 32x2-16x- ¾ 1/x +4+ ½ 1/x +12 + ¼ 1/x


12) X2-28x+36 / x+6= x-6 - 16/x-6


13) 75x2 -105x-25 / 5x+5= 15x-6 -5/15x-6


14) 14x2-49x+71 /2x+7= 7x+10 -20x+1/7x+10


15) 18x3-64x4+128x2-3x+27 /3x+3=
6x2-21x3-21x2+15x-16 -21/6x2-21x3-21x2+15x-16