Question

How do you solve `-2x^2 - 4x + 30 = 0`?

Answer 1

3 and -5

Explanation:

`y = -2(x^2 + 2x - 15) = 0`
Solve the quadratic equation in parentheses.
Find 2 numbers knowing sum (-b = -2) and product (c = -15).
They are 3 and - 5.