Question

(-b+ √ b² - 4ac) + (-b - √ b² - 4ac)

____________ ____________

2a 2a

Answer 1

$\frac{(-b+\sqrt{b^{2} - 4ac }) }{2a} + \frac{-b-\sqrt{b^{2}-4ac }) }{2a}$

$\frac{-b+\sqrt{b^{2}-4ac }-b-\sqrt{b^{2}-4ac } }{2a}$

$\frac{-2b}{2a}$

$-\frac{b}{a}$