Solve each equation using the square root property. See Example 2. x^2 = 121

Solve each equation in Exercises 15–34 by the square root property.(x + 2)^2 = 25

Solve each problem. See Examples 1. Dimensions of a Parking Lot. A parking lot has a rectangular area of 40,000 yd2. The length is 200 yd more than twice the width. Find the dimensions of the lot.

Solve each equation in Exercises 15–34 by the square root property.3(x - 4)^2 = 15

Solve each equation in Exercises 15–34 by the square root property.(x + 3)^2 = - 16

Solve each equation using the square root property. See Example 2. x^2 = -400

Solve each equation using the square root property. See Example 2. (x - 4)^2 = -5

Solve each equation in Exercises 15–34 by the square root property.(2x + 8)^2 = 27

In Exercises 35–46, determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.x^2 + 12x