Question

Which of the following is equivalent to 0=2x^(2)-16x-18 when completing the square?

Answer 1

25=(x-4)^2

Explanation:

Answer 2

X=-1 or 9

Explanation:

using the quadratic formula:

`X=\frac{-b+-\sqrt{b^(2) -4ac} }{2a}`

X=-1

X=9