The first few steps in solving the quadratic equation 8x2 + 80x = −5 by completing the square are shown.
8x2 + 80x = −5
8(x2 + 10x) = −5
8(x2 + 10x + 25) = −5 +
which number is missing in the last step?
−200
−25
25
200

The first few steps in solving the quadratic equation by completing the square are

1 step.

2 step. Form in brackets a perfect square.

3 step. Add 200 to both sides of equation:

200, correct choice is D

we can't see all full 4 options, but if this is the full option, than the very left one is correct:

-2/5 * -3 3/4

remake the question, adding a picture of all the question, or write down the full left and right answers.