Solve It! A park has rectangular dog run with length 30 ft and width 20 ft. The parks department wants to expand each end of each side of the dog run by the same amount x. What will be the total area of the expanded dog run?

8x² + 600 ft²

4x² + 100x + 600 ft²

8x² + 60x + 100 ft²

4x² + 100 ft²

2

2

10

Problem 1 Got It?

A

B

C

D

3

3

10

Problem 2 Got It?

A

B

C

D

4

4

10

Problem 3 Got It?

A

B

C

D

5

5

10

Problem 3 Got It?

A

B

C

D

6

6

10

Problem 3 Got It?

A

B

C

D

7

7

10

Problem 4 Got It?

A

B

C

D

8

10

Problem 5 Got It? What is a simpler form of the expression?

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