If (a) and (b) are the roots of the quadratic equation (x² - 3x - 5 = 0), then the equation whose roots are (a² - 3a + 7) and (b² - 3b - 7) is:
a) (x² + 3x + 6 = 0)
b) (x² - 3x - 6 = 0)
c) (x² + 3x - 6 = 0)
d) (x² - 3x + 6 = 0)