Question

5- Resolva:
a) (5x2 + 5xy) . (3x - 4) =
b) (-2x2 – 4xy) . (4x +2) =
c) (40x2y2 + 26x2y – 8x5y2) / (2xy) =

Answer 1

a) (5x²+5xy)(3x-4) = 15x³-20x²+15x²y-20xy

b) (-2x²-4xy)(4x+2) = -8x³-4x²-16x²y-8xy

c) (40x²y²+26x²y-8x⁵y³):(2xy) =

2xy(20xy+13x-4x⁴y²)

20xy+13x-4x⁴y²

✨ Espero ter ajudado ✨

30/07