What would need to be added to both sides in order to complete the square in the following equation? x² — 18x + 9 = 17?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2