Question

RESOLVA AS EQUAÇÕES;

a) 2 x + 6 x - 10 = 15 x + 6
b) x² - x - 6 + 1 = 0
c) 5 x² + 6 + 1 = 0
d) 3 x (x+1) - x = 33 - (x - 3)²

Answer 1

 a) 2 x + 6 x - 10 = 15 x + 6
     8x - 15x = 6+10
     -7x=16 .(-1)
      x=-16/7