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Find the area of the rectangle below. (3x + 4) feet (WIDTH) (x + 3) feet (HEIGHT) A.) (3x² + 10x + 12) square feet B.) (3x² + 13x + 12) square feet C.) (3x + 13x + 7) square fee…

Find the area of the rectangle below. (3x + 4) feet (WIDTH) (x + 3) feet (HEIGHT) A.) (3x² + 10x + 12) square feet B.) (3x² + 13x + 12) square feet C.) (3x + 13x + 7) square fee…
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Find the area of the rectangle below. (3x + 4) feet (WIDTH)

(x + 3) feet (HEIGHT)

A.) (3x² + 10x + 12) square feet
B.) (3x² + 13x + 12) square feet
C.) (3x + 13x + 7) square feet
D.) (3x² + 15x+12) square feet

TOPIC: Multiplying Polynomials


(I know it says the answer, I'm trying to help others.)​

Find the area of the rectangle below. (3x + 4) feet (WIDTH) (x + 3) feet (HEIGHT) A-example-1
User Mlr
by
8.8k points

1 Answer

3 votes

Answer:

(3x + 4)(x + 3) = 3x² + 9x + 4x + 12 =

3x² + 13x + 12 square feet

The correct answer is B.

User Fashuser
by
8.2k points
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