The diagram represents the area of a rectangle as 9x2 + 24x + 16 square units.
what are the length and width of the rectangle in terms of x?
both: 3x + 4 units
both: 3x + 8 units
width: 3x + 4 units; length: 6x + 12 units
width: 3x + 8 units; length: 6x + 8 units

we know that

A trinomial is a perfect square trinomial if it can be factored into a binomial multiplied to itself

so

in this problem we have

both and are perfect squares

hence

therefore

the answer is

both:  3x + 4 units

4 candies

step-by-step explanation:

7 x 28 = 196

200 - 196 = 4 candies remaining.