Respostas

2014-07-22T12:21:41-03:00
10 x 2² + 100X - 1000    x=5
10x4 + 500 - 1000
40 + 500 - 1000
540 - 1000
- 460
  • Usuário do Brainly
2014-07-22T14:28:35-03:00
10x² + 100x - 1000      p/ x = 5
10 . 5² + 100 . 5 - 1000
10 . 25 + 500 - 1000
250 + 500 - 1000
750 - 1000
- 250