Question

Determine the zeros of the function 2x2 - 4x - 6 = 0.

Answer 1

-1, +3

Explanation:

The equation can be factored as ...

2(x² -2x -3) = 0

2(x -3)(x +1) = 0

The zeros are the values of x that make the factors zero:

x = 3, x = -1

The zeros are -1 and 3.