Primera Tarea del Segundo Bimestre

SUMAS Y RESTAS

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

189+421=610x3
379-1265=-886x2
-467-637=1104x
-4621+16274=11653

2) (46825x3-314589x2+222x-163578)-(654189x2+16548x3-75391x5-7733x4+113344)=75391x5-7733x4+30277x3-968778x2+222x-276922.

75391x5
-7733x4
46825-16548=30277x3
-314589-654189=-968778x2
222x
-163578-113344=-276922

3) (18/9x4+37/14x2-22/63x7-147369)-(-77/23x7+41/5x2+189/61x4-245/13)=5357/1449x7-201/183x4-389/70x2+1916042/13.

-22/63+77/23=5357/1449x7
18/9x4-189/61x4=603/549=-201/183x4
37/14x2-41/5x2=-389/70x2
-147369/1+245/13=1916042/13



MULTIPLICACION

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

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

19*7=133x5
19*11=209x3y3
-9*7=-63x2y2
-9*11=-99y5

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

17*14=238x5 -25*14=-350x3y3
17*21=357x4 -25*21=-525x2y3
17*-34=-578x4y -25*-34=850x2y4
17*-18=306x3y2 -25*-18=450xy5

7) (15x4-8y3+12z2-33xyz)(45xyz+27x3-5z2-22y4)=405x7+630x5yz-330x4y4-75x4z2-891x4yz-216x3y3+324x3z2-1485x2y2z2-360xy4z+705xyz3+726xy5z+40y3z2-264y4z2+176y7-60z4.
15*45=630x5yz -8*45=-360xy4z 12*45=540xyz3
15*27=405x7 -8*27=-216x3y3 12*27=324x3z2
15*-5=-75x4z2 -8*-5=40y3z2 12*-5=-60z4
15*-22=-330x4y4 -8*-22=176y7 12*-22=-264y4z2
-33*45=-1485x2y2z2
-33*27=-891x4yz 540xyz3+165xyz3=705xyz3
-33*-5=165xyz3
-33*-22=726xy5z

EXPONENTES

8) (38X3Y)2=1444X6Y2.

9) (32X2-22Y3)3/4= NO A ESTA NO LE ENTENDI NADA.


10) (7X-3Y)(14Y-27X)=-189X2-42Y2+179XY=-34X3Y3
7*14=98XY
7*-27=-189X2
-3*14=-42Y2
-3*-27=81XY
81+98=179XY.

DIVICIONES

11) (128X3-67X2+18X+49)/(4X)=32X2-16X+3/41/X+4+2/41/X+121/X+1/41/X.

12) (x2-28x+36)/(x+6)=x-34(+240/x-34).

13) (75x2-105x-25)/(5x+5)=15x-38(165/15x-38).

14) (14x2-49x+71)/(2x+7)=7x-49(414/7x+49).