1. Efetue as divisões:?

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)

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