Question

$sqrt{4 x^{2}-5x-2 } =-x$

Answer 1

4x² - 5x - 2 = x²
3x² - 5x - 2 = 0
D = 25 - 24 = 1
x1 = 5 + 1/6 = 1
x2 = 5 - 1/6 = 2/3