1. What is the value of x in x+7 = 0?
2. What is the formula in finding the area of a rectangle?
3. What do you call this equation x 2 + 5x + 6 = 0?
4. Find two consecutive numbers whose product is 72.
5. The area of a rectangular garden is 140m². If it's length is 4m more than it's width, find the dimensions.​