Agarden is extended on both sides. a. the area of the garden after the extension is represented by (x+12)^2. find this product. b. use the polynomial in part (a) to find the area of the garden when x=8. what is the area of the garden?

Part a)

Part b) The area of the garden is

Step-by-step explanation:

Part a)

we know that

The area of the garden after the extension is equal to

Part b) For find the area of the garden

Substitute the value of x in the polynomial

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3 ft is your answer