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Write a simplified polynomial expression in standard form to represent the area of the rectangle below. (2 points) A picture of a rectangle is shown with one side labeled as 5 x plus 2 and another side labeled as x minus 4.

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mberisso

Answer:

[tex]Area= 5x^2-18x -8[/tex]

Step-by-step explanation:

If the rectangle show one side of length 5 x +2, and another side of length x - 4, then the area of this rectangle (given by the product of the sides' length) is:

[tex]Area = (5x+2)\,(x-4)\\Area = 5x^2-20x+2x-8\\Area= 5x^2-18x -8[/tex]

which is already written in standard form.

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