Which of the following is a solution of x^2 - 2x = -8?

Ineed i do not understand i'm only 8

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.