November 2018 1 27 Report
1) Si de -3a2 + 2a-1 se resta a2 + 5a -3, se obtiene

a) 2a2 -5a -1
b) -4a2 -3a+2
c) -2a2+7a-4
d) 2a2 -7a+4
2) Al multiplicar 2a2 por 3a3 se obtiene:

a) 6a5
b) 5a5
c) 6a6
d) 5a6
3) Si se multiplica (3x2y) (-5xy3)

a) -15x2y3
b) -15x3y4
c) -2x4y3
d) 15x4y3

ayudaaaa



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