a) (12x²-8x) : (+2x)
b) (3y³+6y²) : (3y)
c) (10x²+6x) : (-2x)
d) (4x³-9x):(+3x)
e) (15x³-10x²) : (5x²)
2. Calcule os produtos:
a) 3(x+y)
b) 7(x-2y)
c) 2x(2+y)
d) 4x(a+b)
e) 2x(x²-2x+5)
a) 6x - 4
b) y² + 2y
c) -5x - 3
d) 4x²/3 - 3
e) 3x - 2
===================
a) 3x + 3y
b) 7x - 14y
c) 4x + 2xy
d) 4ax + 4bx
e) 2x³ - 4x² + 10x
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Verified answer
a) 6x - 4
b) y² + 2y
c) -5x - 3
d) 4x²/3 - 3
e) 3x - 2
===================
a) 3x + 3y
b) 7x - 14y
c) 4x + 2xy
d) 4ax + 4bx
e) 2x³ - 4x² + 10x