Find the area of a rectangle with the sides 3x+5 and 5y-4
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Step-by-step explanation:
Let the length be 3x + 5, let the width be 3x - 4.
The area of a rectangle is length * width.
In this case, it will be(3x + 5)(3x - 4) = 9x^2 + 3x - 20
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