Example 1: Solve x2 + 6x = 0
Example 2: Solve a2 = 11a
Example 3: Solve 3n2 – 5n = 0
Example 4: Solve 3ax2 + bx = 0 for x.
Example 5: The area of a square is three times its perimeter. Find the length of a side of the square.
Example 6: Suppose that the volume of a right circular cylinder is numerically equal to the total surface area of the cylinder. If the height of the cylinder is equal to the length of a radius of the base, find the height.