Tarea

Multiplicaciones

1.
    -3x2  +  2x4  -  8  -  x3   +  5x

    X                                  -5x4
______________________________
   15x6 - 10x8 + 40x4 + 5 x7 - 25x5

A x B =  15x6 -10x8 + 40x4 + 5 x7 -  25x5
2.
4x3 - 5x2 + 2x +  1           

              X                  3x  -  6           
           ____________________
            -24x3 + 30x2 - 12x - 6

    12x4- 15x3 +  6x2  +  3x
    _________________________
    12x4 - 39x3 + 36x2  -  9x - 6

A x B =  12x4 - 39x3 + 36x2  -  9x – 6
3.
5x4 + 0x3 - 9x2 + x + 0  

            X                       -2x2 + 0x + 3  
           ______________________________
                     15x4 + 0x3 - 27x2 + 3x  + 0
   
             0x5 +  0x4 + 0x3 +  0x2 +  0x

  -10x6 + 0x5 + 18x4 - 2x3 + 0x2________________________________________
 -10x6 +  0x5 + 33x4 - 2x3 - 27x2 + 3x + 0

A x B =  -10x6 + 33x4 - 2x3 - 27x2 + 3x

4.
X+3 xy x
X 2x_______________
2 x2 +6 x2y
5.
2x3 + 0x2 + 3x + 0
           x                 5x2 + 0x + 4
______________________________
                   -8x3 + 0x2 + 12x + 0
           0x4 + 0x3 + 0x2 + 0x
-10x5 + 0x4 + 15x3 + 0x2
______________________________
-10x5 + 0x4 + 7x3 + 0x2 + 12x + 0
A x B =  -10x5 + 0x4 + 7x3 + 0x2 + 12x + 0
Signos de agrupación
1.{3-2[6(5+3(2-4)+4)-3(2(5+1)+3)]+4}
{3-2[6(5+3(-2)+4)-3(2(6)+3)]+4}
{3-2[6(5-6+4)-3(12+3)]+4}
{3-2[6(3)-3(15)]+4}
{3-2[18-45)]+4}
{3-2[-27)]+4}
{3+54+4}
2.
2{3+5[-2(3+5)+6(-5+1)+3]+2(3-1)}+22{3+5[-2(8)+6(-4)+3]+2(2)}+2
2{3+5[-16-24+3]+4}+2
2{3+5[-37]+4}+2
2{3-185+4}+2
2{-178}+2
-356+2

3.
3x- (5y+ [-2x+ (y- 6+x) - (-x+y)])=
3x- (5y+ [-2x+ y -6 +x - (-x+y)])
3x- (5y+ [-2x+ y - 6 + x + x - y])3x- (5y -2x+ y - 6 + x + x - y)
3x - 5y + 2x -y +6 - x - x + y
3x - 5y + 6

4.

- (3m+n) - [2m+ {-m+ (2m-2n-5) }] - (n+7)=
- 3m - n - [2m + {- m + 2m - 2n - 5}] - n -7
- 3m - n - [2m -...