Question

desenvolva as multiplicações
2) 8(-2x²-x-7) =
3) 7x (x-5) =
4) -x(-x+xy) =
5) -m³ (3m-4)
6) x (x²-y) =
7) (-2x³) . (x²-1) =
8) (p³) . (-p²-4p+1) =
9) -2pq (-3p²-q+1) =
10) (2x³y²) . (5x+3y)

Answer 1

2) -16x² - 8x - 56
3) 7x² - 35x
4) -x² -x²y
5) -3m^4 + 4m³
6) x³ - xy
7) -2x^5 + 2x³
8) -p^5 - 4p^4 + p³
9) 6p³q + 2pq² - 2pq
10) 10x^4y² + 6x³y³