Question

The sum of zeroes of x² - 2x -8 is

Answer 1

Answer:

x square -2x-8=0

x square-2x=-8

x square -x=-8/2

-4

x-x=√-4

x=-2

Answer 2

Step-by-step explanation:

$x {}^{2} - 2x - 8 \\ {x}^{2} - (4 - 2)x - 8 \\ {x}^{2} - 4x + 2x - 8 \\ x(x - 4) + 2(x - 4) \\ (x + 2)(x - 4)$