Question

São dados os polinômios:
A= 2x-x-1 B= -3x+3x C= 4x-3 D= x+7x+1 E= 2x+6

Calcule:

a) A+B+C =
b) A+B+D+E =
c) B+C+E =

Answer 1

a) 2x-x-1-3x+3x+4x-3= x-4+4x= 5x-4

b)2x-x-1-3x+3x+x+7x+1+2x+6= x-1+8+1+2x+6= 3x+14

c)-3x+3x+4x-3+2x+6= 6x+3