Question

Resolva as equações com calculos:

1: - 5 x + 3 = 7 x + 9
2: - 2 (3x-4) = - (-3-x)
3: 3(sobre 2) x + 4 = 2(sobre 3) x - 1
4: 6x² - 54 = 0
5: -x²-100 = 0
6: 2x²-8 x = 0
7: x²-3x+2=0
8: (X-2)² = 0

Answer 1

confira as perguntas