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Please help it's the last question and I'm so lost

The dimensions in units for two rectangles are shown.

What is the difference in the areas of the two rectangles? Show your work or explain your answer.

Please help it's the last question and I'm so lost The dimensions in units for two-example-1
User Spencewah
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1 Answer

7 votes

Answer:


2x^2+8x-7

Explanation:


(3x-4)(x+4)-(x+3)(x-3) \\ \\ =(3x^2+8x-16)-(x^2-9) \\ \\ =3x^2+8x-16-x^2+9 \\ \\ =2x^2+8x-7

User JoelPM
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