Question

find the zerous of x²-2x-8​

Answer 1

x² - 2x - 8 = 0

Sum = -b/a = 2

Product = c / a = -8

1 x 8; 1 + 8  (False)

2 x 4; -2 + 4 (True)

So, we have -2 and 4 as zeros of x² -2x -8