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1. 
Multiplica A = -3x2 + 2x4 - 8 - x3 + 5x B = -5x4
A.
15x6 - 10x8 + 40x4 + 5 x7 - 25x5
B.
16x5+10x7+25x5+40x3+5x4
C.
15x5+10x7-40x3+5x6+25x4
D.
14x3-5x4+8x5+5x7+38x6
2. 
Multiplica A = 4x3 - 5x2 + 2x + 1 B = 3x - 6
A.
13x3+38x2-36x+8x+6
B.
12x3+38x+36x2-8x2+6
C.
12x4 - 39x3 + 36x2 - 9x - 6
D.
20x4+37x5+12x7+6+8x
3. 
Multiplica A = -9x2 + x + 5x4 B = 3 - 2x2
A.
3x+27x2+33x4-10x6-2x3
B.
-10x6+33x4-38x7+2x+2x3
C.
+10x5+33x4+3x2+28x-2x
D.
-10x6 + 33x4 - 2x3 - 27x2 + 3x
4. 
Dividir (4x3+6x2-8x) : (2x)
A.
2x2+3x-4
B.
2x5-5x+6
C.
2x+4x+5
D.
2x2-3x+6
5. 
Dividir (x4-5x3+11x2-12x+6) : (x2-3x+3)
A.
x4+5x4-3x7
B.
x2-2x+2
C.
2x2+2x-2
D.
x3+2x-5