What number should be added to both sides of the equation to complete the square? x² +8x=4 4
8
16
32​

7friends share 4 pizzas equally how much pizza did each friend get

The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.