Question

sa se rezolve inecuatia​

Answer 1

-2x - 1 = y

6x^2 - 7x = y

=> -2x - 1 = 6x^2 - 7x => 6x^2 - 5x + 1 = 0

delta = 25 - 24 = 1

x1,2 = (5 +-1)/ 2 => x1 = 3 , x2 = 2

y1 = -7 , y2 = -5

Apropo se numeste sistem nu inecuatie