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Mayyy5555
@Mayyy5555
October 2019
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Efetue as adições de polinômios:
a) (-2x+3y + ( 9x - 7y)
b) (6x^2 + 8x - 3) + (-2x^2 -5x - 1)
c) (-7 +2y - 6) + ( -3x - 4y - 5)
d) (x+1) + (3x^2 + 4x - 9)
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SóniaGuerra
A) -2x+3y+9y-7y= 7x-4y
b) 6x^2+8x-3 - 2x^2-5x-1= 4x^2+3x-4
c) -7+2y-6-3y-4y-5= -5y-13-5=-5y-18y
d) (x+1) + (3x^2+4x-9)= x+1+3x^2+4x-9= 3x^2+5x-8
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b) 6x^2+8x-3 - 2x^2-5x-1= 4x^2+3x-4
c) -7+2y-6-3y-4y-5= -5y-13-5=-5y-18y
d) (x+1) + (3x^2+4x-9)= x+1+3x^2+4x-9= 3x^2+5x-8